Scavengers walk past a tank cannon at dawn as they start their day of looking for useful materials from an old tank at a junk yard of scrap military hardware, an eerie desert momument to Iraq's history of wars with Iran, Kuwait and the United States, south of Baghdad.(Australfoto/Douglas Engle)

Scavengers walk past a tank cannon at dawn as they start their day of looking for useful materials from an old tank at a junk yard of scrap military hardware, an eerie desert momument to Iraq's history of wars with Iran, Kuwait and the United States, south of Baghdad.(Australfoto/Douglas Engle)