这是个同位语从句。that引导的从句做evidence的同位语。比如下面的例子
1,the report that the professor Li is leaving is true.
that the professor Li is leaving 是同位语从句,用来解释句子的主语the report.
而在你的例子中,同位语从句做的是表语evidence的同位语。
定语从句
先把句子分解还原。
The house has been taken down and replaced by an offic