The smaller guns come in all sorts of colors, including blue and pink.

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"They're living walls, and they come in all sorts of colors, not just green, " Richard Sabin of BioTecture told CNN, and whose walls have been incorporated in Gold and Silver Gilt medal-winning gardens at the Royal Horticultural Society's Chelsea Flower Show, London.

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At Howe, one of my favorite shops in London, they paint Windsor chairs all sorts of glossy colors.

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Young people sporting all sorts of bold combinations and bright colors grace the streets of the Harajuku district.

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