How Las Vegas' Sphere Actually Works
https://www.youtube.com/watch?v=VSuSN_qfB0I

"If the United States of America is the Roman empire of our time, surely it must have an equivalent of the Colosseum."

from:
https://www.openculture.com/2024/06/how-las-vegas-sphere-actually-works-a-looks-inside-the-new-2-3-billion-arena.html