The group of students on the first hike (Photo: Tom Pfeiffer)
(392 Hits)

santorini_d20394.jpg (Photo: Tom Pfeiffer)
(421 Hits)

santorini_d20407.jpg (Photo: Tom Pfeiffer)
(414 Hits)

Le Cap Riva ignimbrite (18 000 ans d'age) et la base de la pierre ponce minoenne (Photo: Tom Pfeiffe...
(484 Hits)

santorini_d20414.jpg (Photo: Tom Pfeiffer)
(537 Hits)

Laissez olive dans une couche de cendres 40000 ans (Photo: Tom Pfeiffer)
(594 Hits)

The pumice and ash deposits of the Minoan eruption of Santorini; two of the students for scale. (Pho...
(986 Hits)

The students on the way to the Plaka bay (Photo: Tom Pfeiffer)
(562 Hits)

santorini_d20437.jpg (Photo: Tom Pfeiffer)
(420 Hits)

santorini_d20440.jpg (Photo: Tom Pfeiffer)
(423 Hits)

santorini_d20450.jpg (Photo: Tom Pfeiffer)
(463 Hits)

Swim break at Plaka (Photo: Tom Pfeiffer)
(465 Hits)

Picknick lunch break (Photo: Tom Pfeiffer)
(604 Hits)

santorini_d20487.jpg (Photo: Tom Pfeiffer)
(373 Hits)

santorini_d20489.jpg (Photo: Tom Pfeiffer)
(531 Hits)

santorini_d20504.jpg (Photo: Tom Pfeiffer)
(440 Hits)