U.N. report claims United States troops damaged city of Babylon during Iraq invasion . Camp Alpha was built on site of Iraq 's historic Hanging Gardens . Report cites extensive damage to U.N. 's Gate , Hanging Gardens . United States to pay $ 800,000 to clean Babylon site .
U.N. report claims U.S. troops damaged city of Babylon during Iraq invasion . Camp Alpha was built on site of Iraq 's historic Hanging Gardens . Report cites extensive damage to Ishtar 's Gate , Processional Way . United States to pay $ 800,000 to clean Babylon site .