Tidal Mills, Tidal Bores

"Tidal mills were first used during the 7th century CE. They were first pioneered in England" -- scarcely surprising considering that the River Severn has the second highest tidal range (as high as 48 feet) in the world

https://sites.google.com/a/brvgs.k12.va.us/wh-15-sem-1-medieval-europe-gm/the-watermill
https://en.wikipedia.org/wiki/Tide_mill
https://en.wikipedia.org/wiki/Severn_Estuary#Tidal_power
https://en.wikipedia.org/wiki/Severn_bore

"Second Severn River Crossing timelapse"
https://www.youtube.com/watch?v=U4F_1kA9HR0

"Bristol Channel high spring tide time lapse and aerial views"
https://www.youtube.com/watch?v=budEU2d8jL8

"Avon Gorge Tide Timelapse - 26.08.16"
https://www.youtube.com/watch?v=YYW_KxfFt8k

"The Severn Bore - Time-lapse"
https://www.youtube.com/watch?v=hXknBnBQY2Y

"Incredible Severn Bore Wave"
https://www.youtube.com/watch?v=IKA39LQOIck
Copter
https://www.youtube.com/watch?v=4ih6iYPiVYc
Paramotoring
https://www.youtube.com/watch?v=rUuUlSKCecY
https://www.youtube.com/watch?v=a7tAdfZwPBY