Uploaded February 2019 | Updated September 2026, 1 day ago

---

Learn about the history of skyscrapers here: https://www.socialscience.international/skyscrapers
Learn about the history of New York City here: https://www.socialscience.international/new-york-city
Learn about the American Constitution here: https://www.socialscience.international/usa-government

Music:
Deck the Halls B by Kevin MacLeod is licensed under a Creative Commons Attribution license (creativecommons.org/licenses/by/4.0/)
Source: incompetech.com/music/royalty-free/index.html?isrc=USUAN1100368
Artist: incompetech.com