This civilization carved reliefs of a Ceiba world tree in their Temple of the Cross complex. A building erected by this civilization dubbed “the snail” contains a stone spiral staircase and openings aligned to the path of Venus. El Mirador contains the largest of a triadic architecture invented during this civilization’s Pre-Classic era. The Petén Basin is home to this civilization’s cities of Tikal and (10[1])Calakmul. (10[1])A large step pyramid dedicated to (10[1])Kukulkan (10[1])was built by this civilization, whose territory included that of modern-day Guatemala. Chichen Itza was built by, for 10 points, what Mesoamerican civilization that flourished in the Yucatan peninsula? ■END■