Sha Tau Kok River
Along with Sham Chun River and Chung Ying Street , the river serves as the natural boundary between the Special Administrative Region of Hong Kong and the Special Economic Zone of Shenzhen . 
<triplet> Sham Chun River <subj> Hong Kong <obj> located in the administrative territorial entity <triplet> Chung Ying Street <subj> Hong Kong <obj> located in the administrative territorial entity <triplet> Shenzhen <subj> Hong Kong <obj> shares border with