Pyramid
© Shutterstock
A secret passageway has been discovered under a 1,000-year-old Mexican pyramid.
It's believed the previously undiscovered access could reveal the geography of the sacred site, as well as shed light on new details of the Mayans ancient beliefs.

Spanish explorers discovered the ancient Kukulkan pyramid in the 1500s.

The Kukulkan is a Mayan snake god, who legend has it, resembles a feathered serpent and emerged from a cave after an earthquake.

The new discovery of the underground passage is believed to lead to a cenote or water-filled cave at the Temple of Kikulkan in Mexico's Chichen Itza.

Experts believe this passageway will reveal more about the Mayan 'snake god'.

Secret passageway
© Instituto Nacional de Antropologia e Historia
Sophisticated imagine technology revealed the passageway.
Secret passageway
© INAH/ GAM/ Youtube
Pyramid
© INAH/ GAM/ Youtube
The discovery should reveal more about the sacred structure.
Reports suggest that the Mayans sacrificed people into cenotes - and this has been backed up by the discovery of human remains on past expeditions.

The passage was revealed by the Great Mayan Aquifer Project, led by underwater archaeologist Guillermo de Anda. The group used sophisticated imagine techniques, including ground penetrating lidar to force electromagnetics signals through the ancient structure.

Secret passageway
© Instituto Nacional de Antropologia e Historia
The passage is believed to lead to a water-filled cave.