 Balloonists attend a performance of ongoing 2012 H1 China Hot Air Balloon Challenge in Haikou, capital of south China`s Hainan Province, June 10, 2012. (Xinhua/Guo Cheng)  Balloonists attend a performance of ongoing 2012 H1 China Hot Air Balloon Challenge in Haikou, capital of south China`s Hainan Province, June 10, 2012. (Xinhua/Guo Cheng)  Balloonists attend a performance of ongoing 2012 H1 China Hot Air Balloon Challenge in Haikou, capital of south China`s Hainan Province, June 10, 2012. (Xinhua/Guo Cheng) |
