https://youtu.be/KJ1YtsgMe4w
2013 - Ground breaking for the construction of the U.S. Bank Stadium in Minneapolis, Minnesota, home of the Minnesota Vikings.
1932 - the West End Bridge, a tied-arch bridge, opens in Pittsburgh, Pennsylvania.
https://youtu.be/JwBJ2eunSLU
https://youtu.be/cZM5HRVIekk
https://youtu.be/apzTfYfoJkk
https://youtu.be/PnqKyycFQ7c
https://youtu.be/HxUWeKJQBog
https://youtu.be/R-J2e5eosvs
https://youtu.be/uQaLn0AWUHM