[397] Walls, Fences, Barriers, 牆壁、圍欄、隔欄，2016
Solid white lines denote border walls and/or fences that are completed or under construction between countries; dotted lines are planned barriers. The country who built the barrier is shown with its alpha country code.
白色實線表示國家之間已建成或正在建造的邊界牆和／或圍欄；虛線是計畫中的隔欄。構建隔欄的 國家用其國家及地區字母代碼顯示。
