Volunteers publicize knowledge about AIDS, marking 24th World AIDS Day(1/3)

Volunteers holding posters of the red ribbons pose for photo at a shopping street in Shenyang, capital of northeast China's Liaoning Province, Nov. 26, 2011. More than 100 volunteers from several universities in Shenyang on Saturday started an activity in shopping streets using posters and leaflets to publicize the knowledge about the AIDS to citizens, marking the 24th World AIDS Day. (Xinhua/Tian Weitao)