Today marks World Water Day. The United Nations declared March 22 as a day for water in 1993. For human beings, water not only is an indispensible resource to survive and grow, but also offers fun and pleasure. Could you image what the world would be without clean water?

But nowadays, we are facing increasing environmental problems such as water pollution and water shortage. The special day should be a day for us to reflect on what we have done and to ponder what we would do to protect this precious resource. Start saving and protecting water right after seeing the following photos Beautiful Water.

A swimming pool in Hangzhou, the capital of East China's Zhejiang province, June 31, 2012. [Photo/CFP]