✨ Best Answer ✨
which was builtなら大丈夫です。
分詞の内容ならいましたか?
The boy playing soccer is my brother.みたいな、
結局これって
The boy who is playing soccer is my brother.
と同じです。
同様に
This is a temple built about for hundred years ago.
と
This is a temple which was built about for hundred years ago.
は同じです。
理解できました!!!
詳しい解説、本当にありがとうございます!