Scouting is all about the transition from child to adult. The playground is for children only. The scouts below have symbolically stepped forward to activity (baseball) shared by children and adults. It is the begining of a one-way trip.
See also how expert photgraphers portray Childhood
Without Children, Childhood
Without Children 2007.
Boy Scout Troop 174, Yorktown, NY. Scouting Photography Pages at http://troop174.info