Kids thrilling themselves to a game of neigbourhood football. Match ups like this are called "set" as you have another set of players waiting in the wings to play once one team has racked up a certain number of goals against the other.
The goal posts used for games like this one are small, about half a metre wide, and are usually called "monkey posts".
Notice that they play bare footed, that's how many African football stars began, by kicking around in the dust and then becoming household names worldwide through determination and hard work.
The African Nations Cup is taking place in Angola at the moment, it's Africa's own World Cup and many of these kids will like to be in the shoes of their heroes one day.