Aerial photo shows vessels partcipainting in the traditional “skutsjesilen” competition of on a lake in Lemmer, Friesland, the Netherlands, 15 August 2018. For two weeks, 14 traditional Frisian flat-bottomed boats compete against each other on the lakes of Friesland. (Photo by Siese Veenstra/EPA/EFE/Rex Features/Shutterstock)
