Surveying an area of remote Mexican jungle that was previously devoid of Maya sites has produced remarkable results. Ivan Šprajc told Matthew Symonds how he set about discovering lost settlements in an archaeological black hole.
Ancient DNA analysis has identified individuals of Indigenous Maya, European, and West African origin in the city's cemetery.
Alice Stevens ventures deep into the Mexican jungle where, surrounded by the echoing screech of howler monkeys, Calakmul rises above the canopy, and takes a stand as the most impressive Mayan temple remaining today.