just one, burj Dubai (burj khalifa). the world's tallest skyscrapper.
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There is not a single 7 star hotel exists in India.
am am
No its a tomb.
there are only 1 hotel is 7 star hotels in the world, in dubai.
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There is 5 hotels in the UK set alone, think about how many are in the world, there must be atleast 10.
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The ice hotels are in: Sweden (the biggest ice hotel in the world) Norway Greenland Romania Canada Finland. I hope this helps your research on ice hotels. :)