850,000 fireworks / 40 minutes = 21,250 fireworks per minute.
That's 354 per second.
But who could prove they're lying, if the whole sky looks like one giant lightbulb behind a thick cloud of smoke, and it's all backed by a 40-minute cacophany of indistinguishable noise?
The smog will be epic.
nationalmall.org
RELEASE: STREAM RECORD-BREAKING FOURTH OF JULY FIREWORKS FROM TOP OF WASHINGTON MONUMENT THANKS TO THE #MONUMENTCAM — Trust for the National Mall
STREAM RECORD-BREAKING FOURTH OF JULY FIREWORKS FROM TOP OF WASHINGTON MONUMENT ON #MONUMENTCAM Trust for the National Mall partners with EarthCam and National Park Service in preparation for Ameri...