Chang Shengkai (back), a former bicycle athlete of  Taiwan, his father Chang Hanzhang and his son Chang Jiahao ride on a road in Fuzhou, southeast China's Fujian Province, July 2, 2012. The three generations of the 50-year-old Chang Shengkai started a 4,500-kilometer-long riding journey from Fuzhou to Harbin of northeast China's Heilongjiang Province on Monday. They planned to finish their riding in 28 days.[Photo/Xinhua]