this looks like a fragmented ball of fire and light

Controlled Demolitions are not the Same: WTC 1, 2 and 7, Report by Niels Harrit, Expert on Thermite and Explosive Technology

Watch this interesting interview from Architects and Engineers for 9/11 Truth. https://www.ae911truth.org/news/829-chemist-niels-harrit-explosives-thermate-and-nano-thermite-were-all-used-on-9-11