His office is framed from floor to ceiling in glass, with modern art on nearly every wall.

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It held the debut collection in a nondescript loft on 19th Street in front of floor-to-ceiling mirrors and towering white shoeboxes staged like an art installation.

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Upstairs, Mr Cai has built a mini rollercoaster in a cavernous gallery, on whose ceiling is painted Mr Cai's history of Belgian art images from the city's famous Ghent altarpiece and iconic works by Magritte and Broodthaers.

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There is a massive, wraparound glass staircase, and dropping down from the 24-foot-tall ceiling is a 12-foot-long "found art" light sculpture made by a local artist with steel rods and old trumpets, toy train tracks and parts of old pistons.

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The early influence of French Art Deco aesthetics can be seen in the stained-glass ceiling of the ballroom in the otherwise largely Beaux Arts-style old French Sports Club -- now the Okura Garden Hotel -- as well as in some other interior flourishes.

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High vaulted ceilings, huge walls for art, a 2-story entry with skylight and floor to ceiling iron glass doors are part of the details of the design.

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