Liu Longyu educates women about HIV/AIDS at a farmer's house in Yilan Town, Yanji City of Yanbian Prefecture, Northeast China's Jilin Province, November 20, 2006. Liu Longyu is the director of the Population and Family Planning Center in Yanji City, and is also the executive manager of Safe Mobility and HIV/AIDS Prevention, a joint program between the United Nations Development Programme (UNDP) and the National Population and Family Planning Commission. The program aims to reduce the risk of HIV/AIDS among mobile populations and cross border communities and has been conducted along China's northeastern border in the Aihui District of Heihe Prefecture in Heilongjiang, Yanji City, Yanbian Prefecture in Jilin, and Kuandian City in Dandong Prefecture in Liaoning since 2005. [Pan Songgang/China Population News]

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