Germans playing what looks like 2v2 indoor soccer, on fixie bikes, with a kickball. https://www.youtube.com/watch?v=ttXjWxzRfKI&feature=related https://en.wikipedia.org/wiki/Radball

Radball ( Cycleball ) Germany vs Austria 1st halfIt's like simple footbal just with cycle and 2-2 person in one team!!!YouTubeRadBall - Wikipediaen.wikipedia.org