These 2008 Chinese Zodiac Year Of The Rat t-shirts, feature a yin yang rat symbolized by the two elements earth and water which are most prominent for the year 2008. The yin and yang symbol represents the forces - yang being the earth sitting on top of yin water.” Wu in Chinese means earth and Zi means rat. 2008 Year of the rat shirts, make wonderful gifts for anyone who loves Chinese astrology, Chinese horoscopes, Asian culture or is into practicing the art of Feng Shui.