Once every four years, a fleet of more than 1,000 classic boats assembles at the invitation of the city of Brest. Their arrival marks the start of a week of the Fêtes Maritimes, covering more than 8km of quayside and attracting 700,000 visitors from across the world. This July, 1,050 traditional boats attended the event, including many from the UK. More than 9,000 crew members and a staggering 1,500 musicians thronged the quays. The finale is a parade of sail from Brest to nearby Douarnenez, for another week of festivities there. Participants are joined by thousands of spectator craft, including more modern cruising boats, for the 25nm passage, which skirts the jagged Crozon Peninsula, passing between the five rocks of the Tas de Pois, above, using a dramatic 75m-wide channel.…