Japanese call fireworks Hanabi. Hana means flower Bi means fire Hanabi literally means flower expressed with fire. During summer time fireworks festival is held in almost every major city. Sumida River Fireworks Display is most popular in the nation. On the night of the fireworks display a lot of houseboat float in the river. People enjoy the fireworks while eating and drinking on the boat. It’s going to be a very fun night in summer.