Lamas attend the Chinese national flag raising ceremony at the Chali Temple in Aba County of southwest China's Sichuan Province on April 14, 2008. After the flag raising ceremony, the lamas planted more than 1,000 spruce trees on the hills near the temple to wish the 2008 Beijing Olympic Games a success. (Xinhua/Zhao Bo)

Two lamas raise the Chinese national flag during the flag raising ceremony at the Chali Temple in Aba County of southwest China's Sichuan Province on April 14, 2008. After the flag raising ceremony, the lamas planted more than 1,000 spruce trees on the hills near the temple to wish the 2008 Beijing Olympic Games a success. (Xinhua/Hai Mingwei)

Lamas of the Chali Temple prepare to plant spruce trees in Aba County of southwest China's Sichuan Province on April 14, 2008. After the Chinese national flag raising ceremony, the lamas planted more than 1,000 spruce trees on the hills near the temple to wish the 2008 Beijing Olympic Games a success. (Xinhua/Zhao Bo)

Lamas of the Chali Temple plant spruce trees in Aba County of southwest China's Sichuan Province on April 14, 2008. After the Chinese national flag raising ceremony, the lamas planted more than 1,000 spruce trees on the hills near the temple to wish the 2008 Beijing Olympic Games a success. (Xinhua/Zhao Bo)

Lamas of the Chali Temple plant spruce trees in Aba County of southwest China's Sichuan Province on April 14, 2008. After the Chinese national flag raising ceremony, the lamas planted more than 1,000 spruce trees on the hills near the temple to wish the 2008 Beijing Olympic Games a success. (Xinhua/Ren Ke)