Can places be used without に?

Question

When studying the famous song 君がくれたもの, I came across the following line:

ああ、花火が夜空綺麗に咲いて......

While trying to understand this line grammatically, I realize although it means “fireworks bloomed beautifully in the night sky,” the 夜空 is not used with に to mark a place. The に in the sentence is paired with 綺麗 to make 綺麗 and adverb(so it doesn’t go with 夜空). When I look up 夜空, almost all examples use 夜空に to say “in the night sky”. So, given this could not possibly be a mistake, is there a grammatical point I don’t understand or is the に left out for lyrical purposes?

Answer 1

It is usually used with "に". This is a song and cutting it off for some reason.

It feels like an 体言止め to me.

But it's not the end of a sentence, so it may not be exactly 体言止め.

We learn about 体言止め in Japan around junior high school. 体言止め is a common technique used in haiku（俳句）.

体言止め is to end a sentence with a noun.

Let me quote something that sounds like it.

• 体言止めを使ってみよう！ | わかば国語・作文教室

【体言止めの例題】

問：次の文を体言止めにしてみましょう。

あのとき見た空の青さを、僕は忘れない。

（この文の中の名詞は３つ。 　「空」「青さ」「僕」） ↓

○A:あのとき見た空。その青さを、僕は忘れない。

○B:あのとき見た空の青さ。それを僕は忘れない。

×C:あのとき見た空の青さを、僕。その人は忘れない。

In Japanese, ○ means OK and × means no.

The effect of 体言止め is 余韻を残すこと. In English, I don't know what to say.

another sample:

• 文法スイスイ！ 「体言止め」が一瞬で分かる！ | 中学生の「国語」のコツ

［“体言止め” の例］

・これが、父がくれた自転車。

・まあ、なんて素晴らしい青空。

・宿の自慢は、窓から見える美しい海岸。