蒗荡渠 (蒗湯渠) Lángtāng Qú
          
              Lángtāng Qú 
              
              proper noun 
              Langtang Canal 
              Domain: History 历史
              
                , Subdomain: China 
              
              
                , Concept: Canal 渠
              
              
              
                Notes: A historic canal