Japan and Senegal both produced surprise, vital wins in Group H on Tuesday.Goals from Shinji Kagawa and Yuya Osako were enough forJapan to beat Colombia 2-1, beforeSenegal saw off Polandby the same scorelinelater in the day thanks toa Thiago Cionek own goal and M'Baye Niang.But while fans of most victorious (or indeed losing) nations may have followed up with rowdy celebrations and heavy drinking,clips have emerged of both sets of supporters cleaning up after themselves by removing stadium clutter post-match.Japan-basedfootballjournalist Scott McIntyre told theBBCthat the Asian country's fans regularly tidy upafter their domesticmatches, and is a behaviour embedded in their culture."You often hear people say that football is a reflection of culture," he said. "An important aspect of Japanese society is making sure that everything is absolutely clean and that's the case in all sporting events and certainly also in football."Lovely – well done those folks.SEE ALSOWhere to live stream every single World Cup game – wherever you are in the worldSee also...Moscow's beer supply is running low during the World CupIn Other News...