Anasazi Indians
http://www.swulinski.com/travels/Anasazi.htmlMaciej Swulinski's photographs of Anasazi Indian castle-like towers at Hovenweep on the border between Utah and Colorado, and Native American petroglyphs on Newspaper Rock.
Submitted in section: Archaeology: Periods and Cultures: Anasazi-Hisatsinom: Anasazi Indians