把下列句子变为定语从句形式
1:Thesoldiesmovedtheboxestoamine.Theywangtohidethem.
2:Xi'anisoneofthefewcitieswithcitywalls.Itswallsremainasgoodasbefore.
3:ShanxiProvinceisaplacewithmanyculturalrelics,Theyarewelllookedafter.
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