Briana Tomkinson: The pleasures and perils of backyard pools

The first time I flew over Quebec, I remember looking out the airplane window and noticing something very odd. We were flying over a suburban area (I don’t remember which, but it very well could have been Vaudreuil-Dorion) when I realized that almost every tiny house had a little blue dot behind it — a backyard pool. I spied a larger blue rectangle, the local community pool, and all but one of the houses surrounding it had their own little circle of blue.
It seemed odd for a few reas