Volunteers work for Nanjing 2014 Youth Olympic Games (5/5)

A journalist from Mexico offers a thumbs-up signal to the volunteers in the Main Media Center in Nanjing,capital of esat China's Jiangsu province, on Aug 14, 2014. The 2014 Youth Olympic Games will be held in Nanjing from August 16 to 28. (Xinhua/Ju Huanzong)