Gorilla's Meet to Mate

Arila (bottom), a 25-year-old female gorilla on loan from Zacango zoo near Mexico City, walks near Bantu, a male gorilla who lives in Mexico City's Chapultepec Zoo January 26, 2006. Arila was allowed to venture into Bantu's enclosure for the first time to allow the gorillas to mate. REUTERS/Henry Romero