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Great Yarmouth is now the home port for one of the largest ships in the world.

Scylla is owned by offshore construction company Seajacks and will be used to build wind farms.

It's as tall as seven London buses, has a deck the size of a Premier League football pitch and cost 拢200m.

In fact it's so big and takes so long to walk around, we've had to speed up the video of our tour.