Dubai's three most prominent architectural icons, Burj an-Arab Hotel (L), Jumirah Hotel (R) and Burj Dubai (C). Dubai is back in the business of unveiling mega projects, three years after a severe

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Dubai's three most prominent architectural icons, Burj an-Arab Hotel (L), Jumirah Hotel (R) and Burj Dubai (C). Dubai is back in the business of unveiling mega projects, three years after a severe financial crisis crippled its booming property sector, but doubts still linger over finance and feasibility.

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