HUman Face Petroglyph In Orongo Village, Easter Island, Chile

HANGA ROA, CHILE - FEBRUARY 19: Petroglyphs on rocks at Orongo, overlooking the islands of Motu Nui, Motu Iti and Motu Kau Kao;the petroglyphs were made in commemoration to the Birdman competition, which was designed to determine the island's leader for the next year, this competition lasted until the mid 19th century, and involved men descending the cliffs, swimming out to Motu Nui island, retrieving a Sooty Tern egg, climbing and bringing it back intact to place in the hand of his sponsor;the sponsor who received the first returned egg would become the Rapa Nui Birdman on February 19, 2012 in Hanga Roa, Chile. (Photo by Eric LAFFORGUE/Gamma-Rapho via Getty Images)