Sources

https://www.google.ch/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=2ahUKEwizrOD3k4XaAhUCYVAKHSOrDskQjRx6BAgAEAU&url=http%3A%2F%2Fwww.clipartpanda.com%2Fclipart_images%2Fhip-hop-dance-clip-art-19673118&psig=AOvVaw1LgkE3YECrtEotn2owjizr&ust=1521985905497362

https://www.google.ch/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=2ahUKEwjaoLusjoXaAhUBElAKHYsgCvAQjRx6BAgAEAU&url=http%3A%2F%2Fmariafresa.net%2Fsingle%2F2627168.html&psig=AOvVaw1LgkE3YECrtEotn2owjizr&ust=1521985905497362

https://www.google.ch/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=2ahUKEwirwer_i4XaAhWBL1AKHZzrC_YQjRx6BAgAEAU&url=http%3A%2F%2Fecderivier.nl%2Ftieneravond-20-februrai-schaatsen%2F&psig=AOvVaw0Uns_dQvIGPdDEe70V64ef&ust=1521985487844001

https://www.google.ch/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=2ahUKEwjrxozejIXaAhUGL1AKHQsgCfgQjRx6BAgAEAU&url=http%3A%2F%2Fwww.loiso.fr%2F2016%2F07%2F26%2Fhip-hopstreet-dance%2F&psig=AOvVaw0Uns_dQvIGPdDEe70V64ef&ust=1521985487844001