sentences:  The acropolis is a complex consisting of six patio groups upon an artificial platform and includes a Mesoamerican ballcourt (Ballcourt 1).The patios are separated by corbel-vaulted structures that were probably elite residences; the exception is Structure 363, which is a temple between Patio 5 and Patio 6.The South Acropolis is located in the southern portion of the site core near the junction of various causeways and vias.