把2个英语句子合并成定语从句

Xi'an is one of the few cities with walls that remain as good as before .
shaanxi Province is a place with many cultural relics which are well looked after .
The old man saw some Germans taking apart the Amber Room and moving it away while you are talking to an old man.

第一个回答者不能用WHOSE做定语.因所述为地名.所以错误
第二个回答者的第三句错用WHERE.不是定语.

1.Xi'an is one of the few cities with walls,whose walls remain as good as before
2 shaanxi Province is a place with many cultural relics,whose relics are well looked after
3 The old man who you are talking to saw some Germans taking apart the Amber Room and moving it away.

Xi'an is one of the few cities with walls that remain as good as before .
shaanxi Province is a place with many cultural relics which are well looked after .
The old man saw some Germans taking apart the Amber Room where you are talking to an old man
and moving it away.