While on a vacation in Bordeaux, France in June we came across this unusual swimming competition in the Miroir d'eau.
I happened to leave my speedos at home. Click link for the movie (hint: try swimming in a reflecting pool).
https://www.dropbox.com/s/cksvvk12dagn5w1/2017-06-17%2011.10.43.mov?dl=0
Photo Credit: Cristophe Bouthe