There are fantastic castle and meseums that are relatively unknow to most to most tourist.
问题描述：
There are fantastic castle and meseums that are relatively unknow to most to most tourist.
分子成分分析.谢.
答
有一些很不可思议的城堡和博物馆,而这些城堡和博物馆对我们大多数的旅游者都是相对不知晓的
that引导的是定语从句,修饰前面的fantastic castle and meseums