about Chinese martial arts of lion dancing and dragon dancing

I have been practising Kung Fu for 5 years, and I begin to learn lion dance lately. Have you heard of lion dance or dragon dance before? You may click to see the pictures and understand what I am talking about:
china-cart.com/china.asp?aid=129&nid=1591
Lion dance (simplified Chinese: 舞狮; traditional Chinese: 舞獅; pinyin: wǔshī) is a form of traditional dance in Chinese culture, in which performers mimic a lion's movements in a lion costume.

yes i've heard about the lion dance. What about it?