This $42M mansion's coolest secrets are hidden underground
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This $42M mansion's coolest secrets are hidden underground
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This $42M mansion's coolest secrets are hidden underground

Check out Located in the ultra-luxurious and exclusive London neighborhood of Mayfair is "Culross House" — one of the most expensive homes currently on the market in the U.K., listed for £32.5 million ($41.8 million).
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Wed, Aug 29 201811:18 AM EDT