Fireworks: explosive displays that use powder to create light and color effects in the sky or at events.
夏祭りで大きな花火が上がった。
A large fireworks display went off at the summer festival.
花火を見るために河川敷に座った。
We sat on the riverbank to watch the fireworks.
花火大会は毎年多くの人でにぎわう。
The fireworks festival is crowded with many people every year.