DaleCooper
Established Member
Doggerland would be better.Build a large new island between East Anglia, Belgium and the Netherlands and be connected to all three countries by tunnelled railways. Call it Beneuk and build new cities on it.
Doggerland - Wikipedia
Doggerland was an area of land in Northern Europe, now submerged beneath the North Sea, that connected Britain to continental Europe. It was flooded by rising sea levels around 6500–6200 BCE. The flooded land is known as the Dogger Littoral