
Fantastic Pit
Poster shows a deep shaft in Pigeon Mountain, Georgia, USA
Foto: Kevin Downey
Size: 13″ x 19,3″

Tempelgang
Poster shows a cave formation from the Hölloch in Muotatal, Swiss
Foto: Pali Berg
Size: 13″ x 19,3″

High Hopes
Poster with a motive from the Lechuguilla Cave
Size: 13″ x 19,3″

Golondrinas
Poster shows a daylight shaft from Sótano de las Golondrinas, San Luis Potosí, Mexico
Foto: Urs Widmer
Size: 13″ x 19,3″