One of the reasons that we have tended to avoid Scandinavia is because of the notoriously high cost of living and the lofty prices relative to southern and eastern Europe.
The reason that Norway in particular is so expensive is that after World War Two, thanks to shipping, the merchant marine industry and a policy of domestic industrialisation the country experienced rapid economic growth. Then, from the early 1970s, there was further accelerated growth as a result of exploiting large oil and natural gas deposits that had been discovered in the North Sea.
Have Bag, Will Travel 
That’s a ferry, isn’t it?
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Nearly, it is the wall of a dock with protective tyres.
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