Aviation supporting equipment from Chengdu, capital of southwest China's Sichuan Province, arrives at the airport of quake-hit Yushu, northwest China's Qinghai Province, April 14, 2010, to ensure planes' safe landing. [Xinhua]

Workers load relief materials at an airport in Nanchang, capital of east China's Jiangxi Province, April 14, 2010. A batch of relief materials were sent from Jiangxi to quake-hit Yushu County, northwest China's Qinghai Province, on Wednesday.  [Xinhua]