[Chris2048]

Infact: https://www.theguardian.com/uk-news/2021/feb/14/rail-bosses-...

[arethuza]

Even more fun: the relevant area of sea has had one million tons of explosives dumped there as well as chemical weapons and even some radioactive waste:

https://en.wikipedia.org/wiki/Beaufort%27s_Dyke