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Ugliest Buildings

10. Royal National Theatre; London, U.K. Yes, Shakespeare wrote that "All the world's a stage..." but he might not have had he lived to see 1970s. While we love the idea of the theatre and the world-class productions mounted here, our feelings don't quite extend to the actual building.

10 ugliest buildings in the world

From Thailand to Toronto and both American Washingtons--these 10  office

towers and public buildings, say Reuters photographers, are the ugliest

in the world.