Photo Gallery: Mexico's Mysterious Cenotes

Foto: Uli Kunz

The Gates of Hell Exploring Mexico's Sacred Caves

Mexico's Yucatan Peninsula is dotted with thousands of caves that once housed prehistoric people and later became sacred to the Mayans. German archaeologists and filmmakers are currently involved in a project to explore with modern imaging technology and make a 3-D film of this underwater labyrinth.
Translated from the German by Christopher Sultan