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fireworks
「煙火」 has another reading with different meanings.
夏祭りの夜空に煙火が打ち上がった。
Fireworks were launched into the summer festival night sky.
河原で煙火を楽しむのが毎年の恒例だ。
Enjoying fireworks by the riverbed is our annual tradition.
煙火大会の日は道路が大渋滞になる。
Roads get severely congested on the day of the fireworks show.