Ana Kakenga, otherwise known as the cave of two windows, is a volcanic tube, about 50 meters long, formed thousands of years ago when the still liquid lava continued to flow underground. This cavern, like that of Ana Te Pora, was used as Ana Kionga or refuge cave during the struggles that took place centuries ago between the different clans of the island. Easter Island is an island in the southeastern Pacific Ocean, at the southeasternmost point of the Polynesian Triangle in Oceania. Easter Island is most famous for its nearly 1,000 extant monumental statues, called moai, created by the early Rapa Nui people. Slow Motion Shot. 4K Resolution.