Which is the tallest building in the world now in 2008?
-While determining the world’s tallest structure has generally been straightforward, the definition of the world’s tallest building or the world’s tallest tower is less clear. The disputes generally center on what should be counted as a building or a tower, and what is being measured. In terms of absolute height, the tallest structures are currently the dozens of radio and television broadcasting towers which measure over 600 meters (about 2,000 feet) in height. There is, however, some debate about: * whether structures under construction should be included in the list * whether structures rising out of water should have their below-water height included. For towers, there is debate over: * whether guy-wire-supported structures should be counted For buildings, there is debate over: * whether communication towers with observation galleries should be considered habitable buildings. * whether only habitable height is considered. * whether roof-top antennas should be considered towards hei
