Russian children perform during a farewell party for Chinese children participating in a rehabilitation program at "Ocean" All-Russia Children's care center in Vladivostok, Russia. 550 Chinese children traumatized by the magnitude-8 earthquake last year participated in the program, which was offered by Russian President Dmitry Medvedev during his visit to China last year. During the three-week program, the children participated in various kinds of courses and events, including Russian language lessons, interest development groups and sports.[Xinhua]