LONG-DISTANCE CHALLENGE: Chang Sheng-kai (back), a former bicycle athlete from Taiwan, his father Chang Han-zhang (left) and his son Chang Jia-hao ride on a road in Fuzhou, southeast China's Fujian Province, on July 2. They planned to finish a 4,500-km-long riding journey from Fuzhou to Harbin in northeast China's Heilongjiang Province in 28 days (XINHUA)