The Long March - 2F rocket carrying China's manned spacecraft Shenzhou-X blasts off from the launch pad at the Jiuquan Satellite Launch Center in Northwest China's Gansu province, June 11, 2013. [Photo/Xinhua]

The Chinese astronauts extend their Dragon Boat Festival greeting to Chinese people in Shenzhou X spacecraft, on June 12, 2013. A piece of paper with blessing words saying "Happy Dragon Boat Festival" was shown by one of the astronauts. [Photo provided to chinadaily.com.cn]