World&#x27;s tallest skyscrapers...    • Burj Khalifa, Dubai  • One World Trade Center, New York  • Taipei 101, Taipei  • Shanghai World Financial Center, Shanghai  • International Commerce Center, Hong Kong  • Petronas Towers (1 &amp; 2), Kuala Lumpur  • Willis Tower (Sears Tower), Chicago  • Empire State Building, New York: