... , called Gran Vilaya, is located about 400 miles northeast of Lima on a 9,000-foot mountain ridge. Savoy said: ". .. the city's buildings ran along the ridge for at least 25 miles. He said the expedition calculated that there were 10,350 stone structures in the defensive network along the ridge and 13,000 other stone buildings in three major city layouts. The stone structures, some measuring 140 feet in length, were built atop terraces that go up the mountain slopes like stairs, he said. He described them as 'complex units of circular buildings with doorways, windows, and niched walls.' The walls, he said, 'soar up as high as a 15-story building." The city was built by the Chachapoyas Indians about 1,000 years ago. The Chacahpoyas empire is dated at 800-1480 AD. The Incas, who finally conquered them, told Spanish explorers that the Chachapoyas were tall, fair-skinned people! (Anonymous; "Ruined City Found in Jungle in Peru," New York Times, July 7, 1985. Cr. M. Hall via L. Farish.) From Science Frontiers #42, NOV-DEC 1985 . 1985-2000 William R. Corliss ...