Volunteers in white masks help promote safe driving on electronic bikes in Zhengzhou, the capital of Central China's Henan province, August 10, 2011. The volunteers, driving in the slow lane, each had a signboard written in the popular "Taobao style," named after the most prominent online shopping website in China, "Dear, driving in slow lane is quite safe," while those driving in the fast lane had signboards saying, "Dear, driving in the fast lane is dangerous." [Photo/CFP] 

A 210-meter-high chimney at the Jialing Power Plant falls to the ground after a directional blasting in downtown Chengdu, Sichuan province on August 10, 2011. It was toppled out of environmental concerns and was the city's tallest chimney. A ton of explosive were used in the demolition and more than 10,000 residents were temporarily moved. [Zhang Lang / For China Daily]