Cities are the foundation of urban life, and these 4 key definitions global city, metropolis, megacity and megalopolis help us differentiate their importance.
Mother of Taiwanese libraries architect Wang Chiu-hwa dies at 96 focustaiwan.tw - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from focustaiwan.tw Daily Mail and Mail on Sunday newspapers.