20171212 tu'lum Yucatec Tulu'um Pre-Columbian Maya walled city Quintana Roo Mexico file-002
20171212tu'lumYucatecTulu'umPreColumbianMayawalledcityQuintanaRooMexico002along the east coast of the Yucatan Peninsula on the Caribbean Sea in the state of Quintana RooMexico.1Spanish pronunciation tu'lumYucatec Tulu'um is the site of a PreColumbian Maya walled city serving as a major port for Coba.1 The ruins are situated on