Children are climbing and digging in the sand at a makeshift playground , which features a structure made from tires .
It is unlikely that children digging in the sand by a playground to build a sand castle .
It is probable that children digging in the sand by a playground to build a sand castle .
It is unlikely that children digging in the sand by a playground to build a sand castle .
Children digging in the sand by a playground to build a sand castle .