Unseen World on Instagram: "Japan spent six months hand-crafting a 900-pound firework, and the explosion looks like something straight out of another world. 🤯🎆 Known as Yonshakudama, this massive aerial shell is one of the rarest and most technically demanding fireworks ever created. Every layer is done by hand — paper, powder, and hundreds of individually crafted stars. Even a tiny imbalance can cause a catastrophic misfire. Once prepped, it’s launched from a reinforced mortar buried deep und

CCTV captures deadly fireworks explosion in Brazil