I was like a man swimming down a long cave filled with black cold water.

It is also a significantly long cave, with 2.3 miles of surveyed passages.

For many years it was considered the longest cave in the world.

It is considered to be one of the longest caves in Nepal.

In the moonlight it seemed to have risen from some long dead cave.

A low door, cut crudely from the rock, led to a long but narrow cave.

Its throat was a vast long cave, dry and bright.

In 2010 it was the world's 11th longest cave, with a 154-km development.

He then was in a long cave, standing across from its single exit.

The lobby was a long cave - you'd need a fire just to separate the shadows.