Villagers stage a prehispanic ceremony during the 19th National Chaccu and 18th International Vicugna Festival, at the Pampa Galeras-Barbara D'Achille-Ayacucho National Reserve, Peru, June 27, 2011. Around 600 villagers participated in the ceremony to honor the Inca and the "marriage" of vicugnas, as well as the "apus" (gods) and nature. [Xinhua]