Skyscapers become lighter
How skyscapers became lighter: The Empire State Building compared to the Willis (formerly Sears) Tower.
Watch video Skyscapers become lighter online, duration hours minute second in high quality that is uploaded to the channel engineerguy 26 October 2023. Share the link to the video on social media so that your subscribers and friends will also watch this video. This video clip has been viewed 12,172,966 times and liked it 490 thousand visitors.
