Cyclists ride against snowstorms and traffic is seriously disrupted as snow hit Taiyuan, North China's Shanxi province, April 19, 2013. The city's temperature sharply dropped to 6 Celsius with snowfall, while the highest temperature was 31 Celsius the previous week.  [Photo by Liu Jiang/Asianewsphoto]

Firefighters extinguish fire at the scene where a truck loaded with 31 tons of yellow phosphorus exploded in Hubei segment of Shanghai–Chongqing Expressway, April 19, 2013. The driver died on scene.  [Photo by Hui Bin/Asianewsphoto]