UNICEF goodwill ambassador American actress Mia Farrow (R) walks together with Omar Ismail (C), a Darfurian residing in the U.S., and an unidentified Rwandan girl carrying a symbolic torch as they enter a genocide mass grave at the Ecole Technique Officielle in Kigali, August 15, 2007. Farrow and fellow campaigners have begun an Olympic-style torch relay through countries that have suffered genocide to press China to help end abuses in the Darfur region of its ally Sudan.