One Hump or Two

These camels were Government employees, hired by officials in New Mexico, USA, to chew away at tumbleweeds and "undesirable desert scrubland" as an environmentally sound alternative to chemical weed killers. There were only eight of them in 5,000 square miles of desert and it took three hours of criss-crossing the area in a pick- up truck to find to find the group and photograph them.