Cave is an ancient creature that eats them

After a group of biologists discovers a huge network of unexplored caves in Romania and, believing it to be an undisturbed eco-system that has produced a new species, they hire the best American team of underwater cave explorers in the world. While exploring deeper into the underwater caves, a rockslide blocks their exit, and they soon discover a larger carnivorous creature has added them to its food chain.

A caving expedition recently discovered a community of dwarf crocodiles living in the Abanda Caves, Gabon. The crocs are living in pitch darkness, hunt bats and some have bright-orange skin. Part of the original team returns to find out more about this bizarre phenomenon. It's mission impossible to access the crocs world and there's no way of knowing what they might find.

A group of former military elites set out to explore an uncharted abyss, not knowing their worst nightmare is waiting for them deep beneath the ground.

Tell abouts post-war world Where civilization fell, people fled the city into the forest. And the story is about a monk guarding a cave whose voice hypnotizes people to enter and never come out again. A child abandoned in front of a cave grew up seeing the world crumble and questioning if there could be a better place. And then was a shocking adventure.