The summer sun was beating down, making it a very, very hot lunchtime. However this didn't seem to faze these exercise enthusiasts who continued to leap up and down onto the stone wall that runs along the side of the wharf. You can almost see the sweat pouring off them.

Me, I was under the shade of a tree at the time. Fewer kilojoules consumed, but less chance of a myocardial infarction too.