Individual #Yalu__Yalu_River  river in eastern Asia; rises in North Korea and flows southwest to Korea Bay (forming part of the border between North Korea and China)
  part of:  #North_Korea
  type:  #river  a large natural stream of water (larger than a creek); "the river was navigable for 50 miles"

No statement uses or specializes #Yalu; click here to add one.