摩天大廈最初技術上嘅定義 講你都唔相信 ︰ 凡係十層或以上高嘅樓都算係 呢座係芝加哥嘅第一座摩天大廈 當時人哋經過佢下面都會驚
The original technical definition of a skyscraper says that you don't believe it, and any building that is ten stories or more tall is considered to be the first skyscraper in Chicago, and at that time, people would be afraid to pass by him