Santorini Island, Greece, 3-11 May 2019 Fascination Volcano tour photos

Impressions from our geologic walking tour on Santorini during 3-11 May 2019:
Chapel in Akrotiri (Photo: Tom Pfeiffer)
Chapel in Akrotiri (Photo: Tom Pfeiffer) [info]
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On 4 May, the atmosphere is exceptionally clear and Crete in more than 120 km distance can be seen easily. Looking S and SSE, the mountain ranges of eastern Crete (Thrypti and Lassithi peaking with Mt Dikti at 2148 m) can be recognized on the horizon. (Photo: Tom Pfeiffer)
On 4 May, the atmosphere is exceptionally clear and Crete in more than 120 km distance can be seen e... [info]
(94 Hits)
Looking SSW, the still snow-clad Psiloritis (2456 m, Mt Ida) massif, is visible. (Photo: Tom Pfeiffer)
Looking SSW, the still snow-clad Psiloritis (2456 m, Mt Ida) massif, is visible. (Photo: Tom Pfeiffe... [info]
(98 Hits)
The next morning (5 May), wind is quickly picking up from the SE, scirocco. (Photo: Tom Pfeiffer)
The next morning (5 May), wind is quickly picking up from the SE, scirocco. (Photo: Tom Pfeiffer) [info]
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A dark cloud deck races over the island, while the morning sun finds a brief gab beneath it from the east, illuminating the now deserted beach. (Photo: Tom Pfeiffer)
A dark cloud deck races over the island, while the morning sun finds a brief gab beneath it from the... [info]
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No boat trips to "Red beach, White beach, Black beach" today... (Photo: Tom Pfeiffer)
No boat trips to "Red beach, White beach, Black beach" today... (Photo: Tom Pfeiffer) [info]
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A good time to visit the sheltered excavations of the Bronze-Age town nearby. (Photo: Tom Pfeiffer)
A good time to visit the sheltered excavations of the Bronze-Age town nearby. (Photo: Tom Pfeiffer) [info]
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Often called the "Pompeii of the Bronze Age", it was buried, and hence preserved, under a thick pumice layer deposited during the catastrophic eruption of the volcano around 1600 BC, the so-called "Minoan eruption" of Santorini. (Photo: Tom Pfeiffer)
Often called the "Pompeii of the Bronze Age", it was buried, and hence preserved, under a thick pumi... [info]
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Large windows of an apparently important building. (Photo: Tom Pfeiffer)
Large windows of an apparently important building. (Photo: Tom Pfeiffer) [info]
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We drive to the caldera rim to have a look; in the lee side, the water is calm beneath the reddish cliffs. (Photo: Tom Pfeiffer)
We drive to the caldera rim to have a look; in the lee side, the water is calm beneath the reddish c... [info]
(96 Hits)
The Sahara dust in the air filters the sunset pale yellow. (Photo: Tom Pfeiffer)
The Sahara dust in the air filters the sunset pale yellow. (Photo: Tom Pfeiffer) [info]
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View of the caldera cliffs near Balos. (Photo: Tom Pfeiffer)
View of the caldera cliffs near Balos. (Photo: Tom Pfeiffer) [info]
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Fira town perched on the caldera rim. (Photo: Tom Pfeiffer)
Fira town perched on the caldera rim. (Photo: Tom Pfeiffer) [info]
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View of Fira from Firostefani, with the highest peak Profitis Ilias mountain in the background. (Photo: Tom Pfeiffer)
View of Fira from Firostefani, with the highest peak Profitis Ilias mountain in the background. (Pho... [info]
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Due to the strong winds, no cruise ships have arrived and no excursions depart from the old port of Fira. (Photo: Tom Pfeiffer)
Due to the strong winds, no cruise ships have arrived and no excursions depart from the old port of ... [info]
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Ruin of a house destroyed during the 1956 earthquake in Firostefani. (Photo: Tom Pfeiffer)
Ruin of a house destroyed during the 1956 earthquake in Firostefani. (Photo: Tom Pfeiffer) [info]
(108 Hits)
Agios Theodoros church in Firostefani with its iconic blue dome is probably THE most photographed building of Santorini... (Photo: Tom Pfeiffer)
Agios Theodoros church in Firostefani with its iconic blue dome is probably THE most photographed bu... [info]
(111 Hits)
In the background, the black lavas of Nea Kameni can be seen. (Photo: Tom Pfeiffer)
In the background, the black lavas of Nea Kameni can be seen. (Photo: Tom Pfeiffer) [info]
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Dome decorations. (Photo: Tom Pfeiffer)
Dome decorations. (Photo: Tom Pfeiffer) [info]
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Playing with the wind. (Photo: Tom Pfeiffer)
Playing with the wind. (Photo: Tom Pfeiffer) [info]
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Wind decreases on 7 May, but swell of the sea remains impressive, creating nice rolling long waves. (Photo: Tom Pfeiffer)
Wind decreases on 7 May, but swell of the sea remains impressive, creating nice rolling long waves. ... [info]
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The waves on the south shore are perfect for sea kayak surfing, as a skillful rider demonstrates in the morning. (Photo: Tom Pfeiffer)
The waves on the south shore are perfect for sea kayak surfing, as a skillful rider demonstrates in ... [info]
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Today, we visit the impressive caldera near Megalochori. The upper white layer is the deposit from the Minoan eruption around 1600 BC, which ranks as one of the 10 largest volcanic explosions on earth during the past 10,000 years at least. (Photo: Tom Pfeiffer)
Today, we visit the impressive caldera near Megalochori. The upper white layer is the deposit from t... [info]
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View over the caldera from above Athinios where the Venetsanos Winery is located. (Photo: Tom Pfeiffer)
View over the caldera from above Athinios where the Venetsanos Winery is located. (Photo: Tom Pfeiff... [info]
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We continue along the caldera, reaching the area of Plaka Bay. (Photo: Tom Pfeiffer)
We continue along the caldera, reaching the area of Plaka Bay. (Photo: Tom Pfeiffer) [info]
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In this part of the caldera, the western end of the pre-volcanic island composed of metamorphic schists is exposed. (Photo: Tom Pfeiffer)
In this part of the caldera, the western end of the pre-volcanic island composed of metamorphic schi... [info]
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Wide-angle view over the southern caldera. (Photo: Tom Pfeiffer)
Wide-angle view over the southern caldera. (Photo: Tom Pfeiffer) [info]
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Old farmland at Plaka Bay (Photo: Tom Pfeiffer)
Old farmland at Plaka Bay (Photo: Tom Pfeiffer) [info]
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Weekend homes at Plaka (Photo: Tom Pfeiffer)
Weekend homes at Plaka (Photo: Tom Pfeiffer) [info]
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An impressive succession of pyroclastic layers representing about 400,000 years of volcanic history and including deposits from about 8 major explosive events. (Photo: Tom Pfeiffer)
An impressive succession of pyroclastic layers representing about 400,000 years of volcanic history ... [info]
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Closer view of the exposed tuff layers in the Plaka cliff. (Photo: Tom Pfeiffer)
Closer view of the exposed tuff layers in the Plaka cliff. (Photo: Tom Pfeiffer) [info]
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Visitors arriving from Crete in the huge speed catamaran ferry. (Photo: Tom Pfeiffer)
Visitors arriving from Crete in the huge speed catamaran ferry. (Photo: Tom Pfeiffer) [info]
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The Greek flag in the wind (Photo: Tom Pfeiffer)
The Greek flag in the wind (Photo: Tom Pfeiffer) [info]
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Last view down to Plaka (Photo: Tom Pfeiffer)
Last view down to Plaka (Photo: Tom Pfeiffer) [info]
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We descend to the caldera in the Christos Bay, dominated by a massive red layer of the approx. 400,000 year old Cape Thermia ignimbrite, result of glowing avalanches during a mighty explosive eruption. (Photo: Tom Pfeiffer)
We descend to the caldera in the Christos Bay, dominated by a massive red layer of the approx. 400,0... [info]
(93 Hits)
Large concrete structures have recently been placed into the shallow sea terrace, presumably in preparation for the building of a new harbour (?). (Photo: Tom Pfeiffer)
Large concrete structures have recently been placed into the shallow sea terrace, presumably in prep... [info]
(132 Hits)
The century-old cave church of Christos is one of the most remarkable cave buildings on Santorini. (Photo: Tom Pfeiffer)
The century-old cave church of Christos is one of the most remarkable cave buildings on Santorini. (... [info]
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The waves create a strong rip current dragging out floating pumice. (Photo: Tom Pfeiffer)
The waves create a strong rip current dragging out floating pumice. (Photo: Tom Pfeiffer) [info]
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The area was formerly used as a spa, as there are (now buried) warm volcanic springs. (Photo: Tom Pfeiffer)
The area was formerly used as a spa, as there are (now buried) warm volcanic springs. (Photo: Tom Pf... [info]
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Examining a small outcrop of hydrothermally altered schists and an unknown ancient pumice deposit. (Photo: Tom Pfeiffer)
Examining a small outcrop of hydrothermally altered schists and an unknown ancient pumice deposit. (... [info]
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The beach is mostly black pebbles. (Photo: Tom Pfeiffer)
The beach is mostly black pebbles. (Photo: Tom Pfeiffer) [info]
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After returning to the caldera rim, we later reach the abandoned Mavromais pumice quarry. (Photo: Tom Pfeiffer)
After returning to the caldera rim, we later reach the abandoned Mavromais pumice quarry. (Photo: To... [info]
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Examining the base layers of the Minoan pumice. (Photo: Tom Pfeiffer)
Examining the base layers of the Minoan pumice. (Photo: Tom Pfeiffer) [info]
(80 Hits)
Large quantities of pumice had been extracted from the quarry during the late 19th and last century. Much of it was used to produce the cement used for the construction of the Suez channel. (Photo: Tom Pfeiffer)
Large quantities of pumice had been extracted from the quarry during the late 19th and last century.... [info]
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Fossile leaves can be found in the volcanic ash. (Photo: Tom Pfeiffer)
Fossile leaves can be found in the volcanic ash. (Photo: Tom Pfeiffer) [info]
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The quarry also contains important archeological remains. Here, ruins of pre-Minoan houses were found. (Photo: Tom Pfeiffer)
The quarry also contains important archeological remains. Here, ruins of pre-Minoan houses were foun... [info]
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Group examining the remaining walls of the houses which are at least 4000 years old. (Photo: Tom Pfeiffer)
Group examining the remaining walls of the houses which are at least 4000 years old. (Photo: Tom Pfe... [info]
(79 Hits)
The quarry has some of the most beautiful exposures of the 21,000 years-old "Red" or "Cape Riva" ignimbrite. (Photo: Tom Pfeiffer)
The quarry has some of the most beautiful exposures of the 21,000 years-old "Red" or "Cape Riva" ign... [info]
(79 Hits)
The Cape Riva ignimbrite forms a platform in the southern part of the island. (Photo: Tom Pfeiffer)
The Cape Riva ignimbrite forms a platform in the southern part of the island. (Photo: Tom Pfeiffer) [info]
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In southern Thera, the Cape Riva ignimbrite is directly overlain by the 1600 BC pumice. (Photo: Tom Pfeiffer)
In southern Thera, the Cape Riva ignimbrite is directly overlain by the 1600 BC pumice. (Photo: Tom ... [info]
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We continue our hike along the caldera and soon reach Akrotiri. (Photo: Tom Pfeiffer)
We continue our hike along the caldera and soon reach Akrotiri. (Photo: Tom Pfeiffer) [info]
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Where the sea has calmed down a little more, but only the braver ones go swimming. (Photo: Tom Pfeiffer)
Where the sea has calmed down a little more, but only the braver ones go swimming. (Photo: Tom Pfeif... [info]
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The beige pumice cliffs of Vlihada in the background. (Photo: Tom Pfeiffer)
The beige pumice cliffs of Vlihada in the background. (Photo: Tom Pfeiffer) [info]
(81 Hits)
Rolling waves. (Photo: Tom Pfeiffer)
Rolling waves. (Photo: Tom Pfeiffer) [info]
(61 Hits)
Nicely breaking waves. (Photo: Tom Pfeiffer)
Nicely breaking waves. (Photo: Tom Pfeiffer) [info]
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Time for aperitif at the hotel! (Photo: Tom Pfeiffer)
Time for aperitif at the hotel! (Photo: Tom Pfeiffer) [info]
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Waves (Photo: Tom Pfeiffer)
Waves (Photo: Tom Pfeiffer) [info]
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Waves (Photo: Tom Pfeiffer)
Waves (Photo: Tom Pfeiffer) [info]
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Waves curving around the headland (Photo: Tom Pfeiffer)
Waves curving around the headland (Photo: Tom Pfeiffer) [info]
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9 May is a perfect day for a boat tour to the volcanic islands. We pass the cliffs near Balos. (Photo: Tom Pfeiffer)
9 May is a perfect day for a boat tour to the volcanic islands. We pass the cliffs near Balos. (Phot... [info]
(68 Hits)
A large portion of the cliff here is composed by the white volcanic tuffs from the early phase of the Akrotiri volcanic vents. (Photo: Tom Pfeiffer)
A large portion of the cliff here is composed by the white volcanic tuffs from the early phase of th... [info]
(65 Hits)
View of the pumice fall and pyroclastic flow layer of the Lower Pumice 1 eruption about 200,000 years ago. (Photo: Tom Pfeiffer)
View of the pumice fall and pyroclastic flow layer of the Lower Pumice 1 eruption about 200,000 year... [info]
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We reach the strait between Palea (l) and Nea Kameni (r). (Photo: Tom Pfeiffer)
We reach the strait between Palea (l) and Nea Kameni (r). (Photo: Tom Pfeiffer) [info]
(69 Hits)
Palea Kameni is cut on this side, probably due to a partial collapse in 1492 AD, exposing the interior structure of the lava dome with its concentric and radial cooling fractures. (Photo: Tom Pfeiffer)
Palea Kameni is cut on this side, probably due to a partial collapse in 1492 AD, exposing the interi... [info]
(76 Hits)
Temperature monitoring device at the Georgios crater (1866 eruption). (Photo: Tom Pfeiffer)
Temperature monitoring device at the Georgios crater (1866 eruption). (Photo: Tom Pfeiffer) [info]
(69 Hits)
Volcanic gas monitoring device and anemometer (wind metering) (Photo: Tom Pfeiffer)
Volcanic gas monitoring device and anemometer (wind metering) (Photo: Tom Pfeiffer) [info]
(74 Hits)
Sample of a rock covered by oxides and pure sulphur crystals from near an active fumarole. (Photo: Tom Pfeiffer)
Sample of a rock covered by oxides and pure sulphur crystals from near an active fumarole. (Photo: T... [info]
(71 Hits)
View towards Palea Kameni (Photo: Tom Pfeiffer)
View towards Palea Kameni (Photo: Tom Pfeiffer) [info]
(70 Hits)
Buoy of "pirates" (Photo: Tom Pfeiffer)
Buoy of "pirates" (Photo: Tom Pfeiffer) [info]
(80 Hits)
Nea Kameni's secret hot spring bay. Underwater springs deposit iron in the water, green at the bottom and oxidized to orange at the waterline. (Photo: Tom Pfeiffer)
Nea Kameni's secret hot spring bay. Underwater springs deposit iron in the water, green at the botto... [info]
(70 Hits)
Agios Nikolaos and the hot spring bay of Palea Kameni seen from above with Nea Kameni island in the background. (Photo: Tom Pfeiffer)
Agios Nikolaos and the hot spring bay of Palea Kameni seen from above with Nea Kameni island in the ... [info]
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Colored water due to underwater hydrothermal sources. (Photo: Tom Pfeiffer)
Colored water due to underwater hydrothermal sources. (Photo: Tom Pfeiffer) [info]
(69 Hits)
Platy lavas abund on Palea Kameni. Similar lavas were used in ancient times for pavements. (Photo: Tom Pfeiffer)
Platy lavas abund on Palea Kameni. Similar lavas were used in ancient times for pavements. (Photo: T... [info]
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Some of Sostis' pigs. (Photo: Tom Pfeiffer)
Some of Sostis' pigs. (Photo: Tom Pfeiffer) [info]
(66 Hits)
More common tourists hang around in the bay. (Photo: Tom Pfeiffer)
More common tourists hang around in the bay. (Photo: Tom Pfeiffer) [info]
(59 Hits)
Plato, Sostis' dog, won't let anyone unauthorized disturb the home. (Photo: Tom Pfeiffer)
Plato, Sostis' dog, won't let anyone unauthorized disturb the home. (Photo: Tom Pfeiffer) [info]
(71 Hits)
Sostis' wonderful boat, the best on Santorini for such excursions. (Photo: Tom Pfeiffer)
Sostis' wonderful boat, the best on Santorini for such excursions. (Photo: Tom Pfeiffer) [info]
(72 Hits)
Clear and calm evening mood at the hotel. (Photo: Tom Pfeiffer)
Clear and calm evening mood at the hotel. (Photo: Tom Pfeiffer) [info]
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10 May. We have climbed the Profitis Ilias mountain and look down over the entire island with its caldera. (Photo: Tom Pfeiffer)
10 May. We have climbed the Profitis Ilias mountain and look down over the entire island with its ca... [info]
(69 Hits)
View of part of Pirgos village. (Photo: Tom Pfeiffer)
View of part of Pirgos village. (Photo: Tom Pfeiffer) [info]
(60 Hits)
Alternative engineering. (Photo: Tom Pfeiffer)
Alternative engineering. (Photo: Tom Pfeiffer) [info]
(75 Hits)
Marina posing as scale near a preserved ballistic impact from during the Minoan eruption. Such blocks have been flying for about 40 seconds, traveled 8 km horizontal and 15-20 km vertical distance before impacting at speeds of approx 200 m / second or 400 knots... (Photo: Tom Pfeiffer)
Marina posing as scale near a preserved ballistic impact from during the Minoan eruption. Such block... [info]
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On our trail towards the summit (Photo: Tom Pfeiffer)
On our trail towards the summit (Photo: Tom Pfeiffer) [info]
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The trail leading towards Mesa Vouno. (Photo: Tom Pfeiffer)
The trail leading towards Mesa Vouno. (Photo: Tom Pfeiffer) [info]
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Old farmland terraces near the summit of Profitis Ilias. (Photo: Tom Pfeiffer)
Old farmland terraces near the summit of Profitis Ilias. (Photo: Tom Pfeiffer) [info]
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Karst effects (chemical erosion of limestone/marble) (Photo: Tom Pfeiffer)
Karst effects (chemical erosion of limestone/marble) (Photo: Tom Pfeiffer) [info]
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Mesa Vouno mountain with the access road from Kamari. (Photo: Tom Pfeiffer)
Mesa Vouno mountain with the access road from Kamari. (Photo: Tom Pfeiffer) [info]
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Ancient decorated grave monument. (Photo: Tom Pfeiffer)
Ancient decorated grave monument. (Photo: Tom Pfeiffer) [info]
(65 Hits)
Remains of the ancient market area (agora) (Photo: Tom Pfeiffer)
Remains of the ancient market area (agora) (Photo: Tom Pfeiffer) [info]
(71 Hits)
Ancient house with atrium (Photo: Tom Pfeiffer)
Ancient house with atrium (Photo: Tom Pfeiffer) [info]
(56 Hits)
Daisies growing everywhere between the ruins. (Photo: Tom Pfeiffer)
Daisies growing everywhere between the ruins. (Photo: Tom Pfeiffer) [info]
(75 Hits)
View towards Profitis Ilias mountain. (Photo: Tom Pfeiffer)
View towards Profitis Ilias mountain. (Photo: Tom Pfeiffer) [info]
(63 Hits)
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