Photo Gallery: 2012 Ash Wednesday Ceremonies 86/117

A woman, marked with an ash cross on her forehead that signifies repentance, weeps as she prays during Ash Wednesday services at the Metropolitan Cathedral in Mexico City, Wednesday Feb. 22, 2012. Ash Wednesday for Christians worldwide ushers in a period of penitence and reflection, known as the season of Lent, that leads up to Easter Sunday. (AP Photo/Eduardo Verdugo)