6S, the longest salt cave in the world

Pestera (the cave) 6S de la Manzalesti (Subcarpatii Vrancei, Romania) one of the largest salt cave in the world

Pestera (the cave) 6S de la Manzalesti one of the largest salt cave in the world; see all pages (236), photos (253) and maps (37).

(see all pages from http://romania-natura.ro/node/409; http://www.romania-natura.ro/node/396)