The Chinese national flag flying at half-mast as China begins three days of national mourning for victim of the earthquake in Chengdu, Sichuan province, China. The period of mourning will include a three minute silence which will be observed exactly one week after the earthquake hit. A major earthquake measuring 7.9 on the Richter scale, the worst in 58 years, jolted China's Sichuan Province May 12. The death toll is now estimated at over 32,000 people and is expected to rise, as 100,000 military troops continue rescue operations.