Flying enthusiasts jump for joy after taking to the skies at an airport in Huanghua, North China's Hebei province, on May 1, 2013. During the May Day holiday, over 30 flying fans of various backgrounds and all with years of computer simulated flying experience came to Huanghua and experienced the real thing organized by an online forum of military fans. [Photo/Xinhua]

The bare riverside can be seen in the Yunxian county section of the Hanjiang river in Central China's Hubei province, on May 1, 2013. Shipping has been hampered by the river's decreased water level. As of May 1, the river's water level was nearly 20 meters lower than the peak level of high season in 2012 due to insufficient rain. [Photo/Xinhua]