UN AGENCIES HELP NATION ON KEY FRONTS

Issues tackled include malnourished children, population growth, refugees

Editor's note: With this year marking the 40th anniversary of United Nations' agencies operating in China, this story looks at how their roles have evolved amid the country's rapid development.

Meng Yutong, a 30-something part-time events hostess, was playing the WeChat game Animal Restaurant when she suddenly saw Xiao Hong, an animated figure, appear in the virtual eatery.