It is all over the news that various parts of UK is flooded.
This time, the flooding is due to the more than normal rainfall that UK is experiencing.
The barrier with rotatable tidal gates shown in the image were installed. They look alien to the surrounding but at the same time they seemed integrate well with it and become icons to the area.
Keeping the sea out is a problem, but getting the water out to the sea appears to be an even bigger problem!
PS The image has been retouched from a slide which I bought in 1985 when visiting thee Thames Tidal Barriers