Road signs sit on the corner of a commercial real estate building that forms part of the Pollen Estate, on Burlington Gardens, left, and Savile Row, in London, U.K., on Monday, Aug. 11, 2014. Norway's sovereign wealth fund, Norges Bank Investment Management, the world's largest, bought a stake in the Pollen Estate in London's Mayfair district for 343 million pounds ($576 million), expanding its property holdings in the U.K. capital. Photographer: Jason Alden/Bloomberg via Getty Images