What can help children from different countries to better understand one

Children from different countries can understand better and get on one another if they will do some actions together such as: playing, singing, dancing, drawing and so on. For example they can play games such as: football, volleyball, board games, hide and seek game, catching game. They can also try to cook something together on condition someone senior will bring for children all products and cooking equipment. Also they can organize picnics, where they can try to talk and communicate with each other.