London | If you’re a Russian oligarch, Western sanctions are giving you all sorts of problems right now. One of them is this: your super yacht is very, very large, and not particularly fast, but you’ve got to find somewhere safe to stash it – very, very quickly.

The man with the biggest nautical neuralgia is Roman Abramovich, who has two yachts to contend with, and whom the European Union added to its sanctions list on Tuesday.