Dubai's Emaar Properties, which is building the world's tallest tower in Dubai, has invested more than half a billion dollars in an Indian joint venture.

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He wants to build a skyscraper called the Dynamic Tower in Dubai.

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Panama City's Trump Ocean Club, which is currently being built, has a similar sail shape to Dubai's Burj Al Arab tower.

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Global landmarks that are going green on 17 March include Niagara Falls, the Leaning Tower of Pisa, Burj al Arab in Dubai, Table Mountain in South Africa, New York's Empire State Building and Berlin's TV Tower.

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Occupying the first eight floors, as well as floors 38 and 39 of the 828-meter tower, the Armani Hotel Dubai has 160 rooms, seven restaurants, a nightclub, spa and boutiques.

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Faulders: The GEOtube is an iconic tower proposal for the city of Dubai.

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But other structures still on the drawing board, including the Freedom Tower in New York City and Burj Dubai in the U.A.E.

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