A nearly 1,500-year-old carved altar, discovered at the Classic Maya site of La Corona, located in jungle forest of the Petén in northern Guatemala, is on display at the National Museum of Archaeology and Ethnology in Guatemala City, Sept. 12, 2018. (Photo/Agencies)
A nearly 1,500-year-old carved altar, discovered at the Classic Maya site of La Corona, located in jungle forest of the Petén in northern Guatemala, is on display at the National Museum of Archaeology and Ethnology in Guatemala City, Sept. 12, 2018. (Photo/Agencies)
A nearly 1,500-year-old carved altar, discovered at the Classic Maya site of La Corona, located in jungle forest of the Petén in northern Guatemala, is on display at the National Museum of Archaeology and Ethnology in Guatemala City, Sept. 12, 2018. (Photo/Agencies)
A nearly 1,500-year-old carved altar, discovered at the Classic Maya site of La Corona, located in jungle forest of the Petén in northern Guatemala, is on display at the National Museum of Archaeology and Ethnology in Guatemala City, Sept. 12, 2018. (Photo/Agencies)