Thirty years ago, the US city bought London Bridge, reportedly believing it to be the landmark Tower Bridge.

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The first event at the Landmark Tower is closed press, and the second event at the Julia Morgan Ballroom is print pool for remarks only.

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The O'Quinn Medical Tower remains the most recognizable landmark in Houston's medical center.

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Tower Bridge - an historic landmark and major Thames crossing, is thought to have been affected by computer problems when it was raised at 1340 BST.

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Three landmark projects that have become reality are the Heron Tower, Cheesegrater and Walkie Talkie.

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The clock tower and the roundabout that run around it were a landmark for people travelling on the main road between Montego Bay and Kingston.

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For example, the 300-room Renaissance Zurich Tower, opened in August 2011, is a central landmark in the blossoming Zurich West district, a former industrial centre now known as the city's zone for artists, designers and musicians.

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At 90m (300ft), the tower is the tallest residential building in Wales and has became a landmark on the city's skyline since completion in 2009.

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