Russian Cossacks , kick up their heels , traditional dance . 俄羅斯哥薩克 , 踢腳後跟, 傳統舞蹈.

Ilya Naymushin / Reuters
Russian Cossacks kick up their heels to welcome rafting season - PhotoBlog http://photoblog.msnbc.msn.com/_news/2012/06/23/12375694-russian-cossacks-kick-up-their-heels-to-welcome-rafting-season?lite

Ф.Стовбуненко
Cossacks - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Cossacks
哥薩克 - 维基百科，自由的百科全书 http://zh.wikipedia.org/wiki/%E5%93%A5%E8%96%A9%E5%85%8B