Conversation so far:
Were there any explorers in the Mayan region during this time?
CANNOTANSWER.
What was a notable event during this time period?
The Maya civilization developed within the Mesoamerican cultural area, which covers a region that spreads from northern Mexico southwards into Central America.

Question: What were the origins of the Mayan culture?
Self-contained rewrite: What were the origins of the Mayan culture?