A man looks out of a window to the view of the Hong Kong Island city skyscrapers and financial district skyline seen in the background

asia crowd congested mass series hong kong skyline skyscrapers highrise skyline megacity modern city 21st century architecture modern architecture challenging engineering china city hong kong architecture tower skyscraper complex mass buildings economy business financial financial district skyscraper urban skyline high rise buildings city landscape urban landscape business city china architecture tall buildings construction modern construction developed urban life modernism chinese finance skyline view hong kong skyscrapers hk island tower skyscraper iconic building chinese buildings china growth china capitalism asian megacity under construction man looks out man looks window man standing