Janus, the Geneva Museum of Natural History?s two-headed Greek tortoise ieats salad as it is presented to the press and the public during the official celebration of its 10th birthday 05 September 2007, at the Natural History Museum in Geneva. Janus, named after the two-headed Roman god was born 03 September 1997. Geneva's Natural History Museum invited childre born the same year to take part in the celebration of Janus' birthday. AFP PHOTO / FABRICE COFFRINICOFFRINI (Photo credit should read FABRICE COFFRINI/AFP/Getty Images)