One of the skulls found in Mexico
Media playback is unsupported on your device
Video

'Sacrificial' skulls puzzle archaeologists in Mexico

Scientists in Mexico claim to have found the largest number of human skulls in the country's history in a field on the outskirts of the capital.

They believe the 130 skulls belonged to people who were sacrificed in ancient rituals over 1,200 years ago.

But the discovery is puzzling archaeologists who are trying to understand why they were there.

Daniel Gallas reports.

Go to next video: Herod exhibition provokes dig row