aerial drone shot of a silhouette sailboat with a bright colourful gennaker, or asymmetric spinnaker headsail in calm

blue boat holland maritime mast sail outdoor sailboat sport tradition sports summertime lake marine nautical yacht sailors fryslan dutch historical scenic tourism water horizon coast europe vacation seascape gennaker spinnaker genoa headsail colorful healed wind power overpowered sails bow action thrill empty alone solo silhouette