2012 China National Artistic Roller Skating Championships: Katherine Long Program Team Private Practice
香港滾軸運動總會 - 蔡穎怡
Hong Kong Federation of Roller Sports - Choi Wing Yee Katherine
Roller Skate Hong Kong
(http://www.facebook.com/katherinechoirollerskate)
![post-title](https://i.ytimg.com/vi/NXH_iBfLN98/hqdefault.jpg)