|
 Traditional houses nested on the caldera cliff of Oia town, Santorini (Photo: Tom Pfeiffer) |
 Erosion gullies converging towards one of the major drainage canyongs out of the caldera to the west... |
 Pacaya volcano with its lava flows seen from Acatenango volcano. (Photo: Tom Pfeiffer) |
 View onto the houses of Picità from the spring-time macchia on Stromboli. (Photo: Tom Pfeiffer) |
 Large ballistic block with its impact structure preserved in the BU-1 pumice fall deposit (ca. 200,0... |
 The lava flow emerging from its tube. Caused by friction and the sudden contact with cold air, succe... |
