Swiss skipper Christian Wahl (L) on his Decision 35 class "W-Team" sailboat at the start of the 84th "Bol d'Or" sailing race, in front of the Geneve water fountain (jet d'eau de Geneve) on Lake Geneva, in Geneva, Switzerland, 10 June 2023. 421 boats registered for this weekend's Bol d'Or, the largest sailing race held on a lake in Europe.