History Photographed on Instagram: "In Nagasaki, Japan, a massive firework known as the Yonshakudama lit up the night sky.⁠ ⁠ Weighing hundreds of kilograms and measuring over a meter in diameter, it’s the largest firework ever launched.⁠ ⁠ When it exploded, it created a dazzling sphere of light nearly 800 meters wide, stunning thousands of spectators."