Tourists play with local residents during a folk custom and culture festival marking the "San Yue San" (the third day of the third lunar month in Chinese calendar) in Shizong county, Southwest China's Yunnan province, April 12, 2013. The festival, attracting tens of thousands of local residents and tourists from both at home and abroad, was held here Friday. [Photo/Xinhua]

Ferrari Formula One driver Felipe Massa of Brazil points to a picture with his son Felipinho after the first practice session of the Chinese F1 Grand Prix at the Shanghai International circuit, April 12, 2013. [Photo/Agencies]