June 18, 2010

The hot-air balloons fly to the destination during the 4th H1 China Cross Qiongzhou Gorge Challenge held in Haikou City, southwest China's Guangxi Zhuang Autonomous Region, June 15, 2010. The 4th H1 China Cross Qiongzhou Gorge Challenge kicked off here on Tuesday on which 12 hot-air balloons flied about 28 kilometers and landed at Xuwen County in south China's Guangdong Province in an hour and 28 minutes.(Xinhua/Jiang Jurong)

The hot-air balloons fly to the destination during the 4th H1 China Cross Qiongzhou Gorge Challenge held in Haikou City, southwest China's Guangxi Zhuang Autonomous Region, June 15, 2010. (Xinhua/Jiang Jurong)

The hot-air balloons fly above Xuwen County (south China's Guangdong Province) during the 4th H1 China Cross Qiongzhou Gorge Challenge held in Haikou City, southwest China's Guangxi Zhuang Autonomous Region, June 15, 2010.  (Xinhua/Jiang Jurong)

The hot-air balloons fly above Haikou Gulf during the 4th H1 China Cross Qiongzhou Gorge Challenge held in Haikou City, southwest China's Guangxi Zhuang Autonomous Region, June 15, 2010. (Xinhua/Jiang Jurong)