MEXICO CITY.- Three wooden lintels of an age determined between 500 and 800 years, part of temples that might have been seen by Hernan Cortes when arriving to Tlatelolco, will be displayed publicly after being restored by specialists from the National Institute of Anthropology and History (INAH) in a process that took place for over 15 years. The ancient architectural elements that weight 200 kilograms each, are considered unique among Prehispanic items found until now, to be displayed at the great exhibition that will be opened in early March 2011 at MNA, “Six Ancient Cities of Mesoamerica: Society and Environment”. The exhibition curated by Eduardo Matos Moctezuma will gather more than 400 Prehispanic pieces from the ancient cities of Monte Alban, Palenque, El Tajin, Teotihuacan, Tenochtitlan and Tlatelolco, addressing for the first time the