Silk to Fan Production Solution (Vimeo)
[youku for Chinese]
▼ Performance
https://v.youku.com/v_show/id_XNDQyNTAzMjIwNA==.html?spm=a2h3j.8428770.3416059.1
▼ Explanation
https://v.youku.com/v_show/id_XNDQyNTA0MjA0NA==.html?spm=a2h3j.8428770.3416059.1