Deer Cave with show cave path, largest cave passage in the world, Gunung Mulu National Park, Sarawak, island of Borneo, Malaysia

Altamira Cave, UNESCO World Heritage Site, Cantabria, Spain, Europe

Tiny figures show scale of the Deer cave looking back to mouth of the Deer cave, Mulu National Park, Sarawak, island of Borneo, Malaysia, Southeast Asia, Asia

Looking out through entrance of cave, Deer Cave, Gunung Mulu National Park, UNESCO World Heritage Site, Sarawak, island of Borneo, Malaysia, Southeast Asia, Asia

Soutigeromorph centipedes hunt cave crickets, Deer Cave, Mulu National Park, Sarawak, Borneo, Malaysia, Southeast Asia, Asia

Bat Swarmings, Bat Colony, Camp of Bats, Evening exodous of bats form Deer Cave. Mulu National Park, Sarawak, Borneo, Malaysia, Asia

Deer Cave, Mule Cave, Mulu Caves, Malaysia, Borneo, Mulu National Park

Bat exodus from Deer Cave, Chiroptera, Gunung Mulu National Park, UNESCO World Heritage Site, Sarawak, Borneo, Malaysia, Southeast Asia, Asia