Skyscapers become lighter
How skyscapers became lighter: The Empire State Building compared to the Willis (formerly Sears) Tower.
Watch video Skyscapers become lighter online without registration, duration hours minute second in high quality. This video was added by user engineerguy 26 October 2023, don't forget to share it with your friends and acquaintances, it has been viewed on our site 12,172,966 once and liked it 490 thousand people.