Photo taken on September 21, 2009 shows the wall with animal images at Beijing Zoo station on Subway Line 4 in Beijng, capital of China. Construction of the 28.2-kilometer-long Subway Line 4 entered the test phase recently. It will start trial operation before China's National Day on October 1st. [Xinhua]

Photo taken on September 21, 2009 shows the platform of Beijing Zoo station on Subway Line 4 in Beijng, capital of China. Construction of the 28.2-kilometer-long Subway Line 4 entered the test phase recently. It will start trial operation before China's National Day on October 1st. [Xinhua]