Mayan nesting doll pyramid discovered The discovery of a third structure within the famous Kukulkan pyramid at the archaeological complex of Chichen Itza in Mexico’s Yucatan state reveals that it was built in three phases, like a “Russian nesting doll” Maya civilisation MEXICO GUATEMALA EL SALVADOR Chichen Itza BELIZE HONDURAS 400km 250 miles Largest pyramid Built: 1050-1300 AD Height: 30 metres Middle structure 800-1000 AD 20 metres Smallest pyramid 550-800 AD 10m Human to scale Pyramid discovered using 3D Electrical Tomography – non-invasive technique that measures resistance in flow of electrical current to digitally map interior of existing structure In 2015, archaeologists discovered pyramid sits on 5m-thick layer of limestone above cenote, or underground river, which are common in region and revered by Maya Discovery of third pyramid could shed light on original Maya culture before it intermingled with populations from central Mexico Kukulkan – Maya Feathered Serpent deity at base of temple’s stairway Source: National Institute of Anthropology and History Picture: Frank Kovalchek