
A dancer participates in the 83rd Guelaguetza Feast, in the Cerro de Fortin, in Oaxaca, capital of Oaxaca, Mexico, on July 20, 2015. The Guelaguetza Feast 2015 began on Monday. (Xinhua/Isaias Hernandez/NOTIMEX)

A dancer participates in the 83rd Guelaguetza Feast, in the Cerro de Fortin, in Oaxaca, capital of Oaxaca, Mexico, on July 20, 2015. The Guelaguetza Feast 2015 began on Monday. (Xinhua/Isaias Hernandez/NOTIMEX)