[–] derram 0 points 1 point 1 point (+1|-0) ago
https://www.invidio.us/watch?v=ZyjKbx36k90 :
Guinness World Record Biggest Firework, Successful Launch, Steamboat Springs Colorado, 2/8/2020 - YouTube
[–] Bad-R0nald [S] ago
Info about the engineers: http://steamboatfireworks.com/about/
Interview: https://www.youtube.com/watch?v=Sn4pfyZwVyQ
[–] ardvarcus ago
That looked like a three-stage rocket. Pretty sophistocated for mindless entertainment.