Trevose head lighthouse on Trevose head headland in Cornwall, not far from Padstow. Press W Key to go night time and A to go to daytime.
Good clip of what the fog horn used to sound like: https://www.youtube.com/watch?v=W76yGnLfCV8 And before that: https://www.youtube.com/watch?v=-mheWnTYT7g Trevose Head lighthouse on Trinty House (owners): https://www.trinityhouse.co.uk/lighthouses-and-lightvessels/trevose-head Image from Wikipedia.