France, Calvados, Seine estuary, Pays d'Auge, Honfleur, radar tower Panning drone,aerial

france calvados seine estuary pays dauge honfleur radar tower maritime coastal normandy seaside landmark architecture radar station surveillance communication navigational aid harbour navigation maritime safety signal tower radio tower technology engineering observation sea traffic control seafaring vessel tracking maritime operations coastal monitoring scenic panoramic view tourist attraction historical communication tower maritime history french coast tour radio communication navigation assistance pays dauge countryside radar radar dish control signals drone aerial