With the summer air warm and the water cool, it’s always tempting to jump in for a swim in a river. Swimming in rivers can be great fun, but before you take the plunge, pause to consider the nature of flowing water.
With the summer air warm and the water cool, it’s always tempting to jump in for a swim in a river. Swimming in rivers can be great fun, but before you take the plunge, pause to consider the nature of flowing water.