¿Qué es esto? What is this?

[@criverod2003]

I promise it's not a fake. I don't think they are alliens or something like that. I just want to know what is it. I would have heard the explosion if it were a firework. Prometo que no es falso. No creo que sean extrateterrestres ni nada por el éstilo. Sólo quiero saber qué es. Si hubieran sido fuegos artificiales hubiera oído la explosión.