Working staff load the tent toilets into the trains at the Zhengzhou Railway Station in Zhengzhou, capital of central China's Henan Province, April 22, 2013. A total of 200 tent toilets were sent to the earthquake jolted Ya'an City of southwest China's Sichuan Province on Monday. (Xinhua/Li Bo)

Working staff unload the tent toilets from a truck to load onto a train at the Zhengzhou Railway Station in Zhengzhou, capital of central China's Henan Province, April 22, 2013. A total of 200 tent toilets were sent to the earthquake jolted Ya'an City of southwest China's Sichuan Province on Monday. (Xinhua/Li Bo)

The tent toilets to be sent to the quake-affected region by train are seen at the Zhengzhou Railway Station in Zhengzhou, capital of central China's Henan Province, April 22, 2013. A total of 200 tent toilets were sent to the earthquake jolted Ya'an City of southwest China's Sichuan Province on Monday. (Xinhua/Li Bo)

Working staff unload the tent toilets from a truck to load onto a train at the Zhengzhou Railway Station in Zhengzhou, capital of central China's Henan Province, April 22, 2013. A total of 200 tent toilets were sent to the earthquake jolted Ya'an City of southwest China's Sichuan Province on Monday. (Xinhua/Li Bo)