Its buildings exhibit classic Maya architecture. The Temple of the Frescoes, for instance, which retains faint traces of blue-green frescoes, has a vaulted roof and triangular architecture.

Against all odds, this ancient game survived the rise and fall of the Olmec, Maya and Aztec civilizations, not to mention the devastation wrought by the Spanish Conquest. Yet today ulama faces ...

and their architecture included complex water systems. In recent decades, scientists have been discovering vital clues about just how influential the Olmec were to the later Maya and Aztec world.