Mexico’s National Institute of Anthropology and History (INAH) discover an

A view shows a part of a stone from an altar after archaeologists from Mexico’s National Institute of Anthropology and History (INAH) discovered an ancient Mayan city inside the Balamku ecological reserve in Campeche state, Mexico in this photo released and distributed by Mexico’s National Institute of Anthropology and History on June 20, 2023. Mexico’s National Institute of Anthropology and History/Handout via REUTERS