A picture taken with a drone shows alphorn players taking part in a group performance surrounded by milk churns of the land art project “Bidons sans Frontiere” during the 17th International Alphorn Festival in Nendaz, south-western Switzerland, 22 July 2018. Over 200 alphorn players performed in Nendaz over the three day-long festival. (Photo by Laurent Gillieron/EPA/EFE)
