Japan is the hometown of Yonshakudama the largest fireworks in the world, each
of the shells weighs 930 pounds, and it can climb up to the height of 2700
feet (823 meters), and when it explods, the fireworks will become a 2400-feet
-diameter fireball and went off in a cascade of colour.
Fireworks is very popular in Japan, Big fireworks display was held every year
throughout the country, it is the signature summer event in Japan, fireworks
show was held nearly every weekend during July and August, hundreds of
thousands of people crowded along the river side, the tradition first begins
in 1733, when the country just suffered famine and cholera, people set off
fireworks to mourm the victims and dispel the darkness, fireworks also became
an important theme in the art of Japanese Yamato-e.