petroglyphs and motu nui at orongo of easter island, chile

ancient anthropology archaeological archaeology archeological archeology background bird birdman carved carving ceremonial chile cult easter enigma esoteric eternity ethnographic heritage history inspirational island islet kau land landmark landscape man megalithic motu mountain mystery native nature nui ocean orongo pacific petroglyph petroglyphs pictograph prehistoric primitive rano rapa rock sacred site spiritual stone symbol tribal unesco world