Find the video materials of iu dance on the website. There are many videos of iu dancing on the website. You can watch it for free, or you can adjust the playback speed to watch it slowly and learn iu dance. Every day, iu fans upload dance videos about iu on the website. Bi Li Bi Li is now a highly concentrated cultural community and video platform for young people in China. The website was founded on June 26th, 2009.