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:

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