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Conference 17th to 19th October 2012 Seoul, Korea (south) Website: http://www.urbandesignasia2012.org Contact person: Taehwan Hyeon, Daniel Oh The 1st International Conference, Urban Design Asia 2012(UDA 2012), will be held to unite urban design specialists and professionals to discuss the issues relating to the theme "Future Cities in Asia". Deadline for abstracts/proposals: 27th August 2012

By Ruth Alexander, BBC News 29 January 2012 Which is the biggest city in the world? And why is such a simple question so difficult to answer? If you search on the internet for the world's biggest city, you'll find various different candidates: Tokyo, Seoul, Chongqing, Shanghai... Which one you regard as the holder of the title, all depends on what you mean by "city". Most experts will tell you that Tokyo is the world's largest metropolis, with a population of about 36 million people. But the core of the city has only eight million people living in it. The reason it gets into the record books is that the surrounding region - which includes the country's second city Yokohama, as well as 86 other towns and cities - has become so built up that it is now one huge continuous urbanised area.