Visitors view a marsh gas generator during the China International Energy Saving, Emission Reduction and New Energy Science and Technology Expo at the Beijing Exhibition Center in Beijing, capital of China, March 22, 2009. [Chen Xiaogen/Xinhua]
An earthquake measuring 7.8 on the Richter scale jolted Sichuan Province at 2:28 PM on May 12.
![Visitors view a marsh gas generator during the China International Energy Saving, Emission Reduction and New Energy Science and Technology Expo at the Beijing Exhibition Center in Beijing, capital of China, March 22, 2009. [Chen Xiaogen/Xinhua]](http://images.china.cn/attachement/jpg/site1007/20090324/000cf1a48b7f0b3278dc09.jpg "Visitors view a marsh gas generator during the China International Energy Saving, Emission Reduction and New Energy Science and Technology Expo at the Beijing Exhibition Center in Beijing, capital of China, March 22, 2009. [Chen Xiaogen/Xinhua]")
