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FILE - Stela M and the Hieroglyphic Stairway are seen inside the archeological site of Copan, in Copan Ruinas, Honduras, Saturday, July 3, 2021. (AP Photo/Rodrigo Abd, File)

FILE - Stela M and the Hieroglyphic Stairway are seen inside the archeological site of Copan, in Copan Ruinas, Honduras, Saturday, July 3, 2021. (AP Photo/Rodrigo Abd, File)

This 2019 photo provided by the Belize River East Archaeology project shows investigations of wetland canal features in the CTWS by the research team in Belize. (Belize River East Archaeology project via AP)

This 2019 photo provided by the Belize River East Archaeology project shows investigations of wetland canal features in the CTWS by the research team in Belize. (Belize River East Archaeology project via AP)

FILE - Altar Q that depicts 16 kings in the dynastic succession of the city is seen inside the archeological site of Copan, in Copan Ruinas, Honduras, Saturday, July 3, 2021. (AP Photo/Rodrigo Abd, File)

FILE - Altar Q that depicts 16 kings in the dynastic succession of the city is seen inside the archeological site of Copan, in Copan Ruinas, Honduras, Saturday, July 3, 2021. (AP Photo/Rodrigo Abd, File)

This 2019 photo provided by the Belize River East Archaeology project, researchers excavate sediment that will be sequenced to help them date the evidence of a large-scale pre-Columbian fish-trapping facility in Belize. (Belize River East Archaeology project via AP)

This 2019 photo provided by the Belize River East Archaeology project, researchers excavate sediment that will be sequenced to help them date the evidence of a large-scale pre-Columbian fish-trapping facility in Belize. (Belize River East Archaeology project via AP)