Firefighters fight against a forest fire in Wuzhou City, southwest China's Guangxi Zhuang Autonomous Region, on March 21, 2013. The fire broke out at around 17:00 Thursday. (Xinhua/Ye Guiru)

Firefighters fight against a forest fire in Wuzhou City, southwest China's Guangxi Zhuang Autonomous Region, on March 21, 2013. The fire broke out at around 17:00 Thursday. (Xinhua/Ye Guiru)

A forest fire is seen in Wuzhou City, southwest China's Guangxi Zhuang Autonomous Region, on March 21, 2013. The fire broke out at around 17:00 Thursday. (Xinhua/Ye Guiru)