Here are new additions to The Best Sites To Learn About Walls That Separate Us:
As Trump calls for wall, a look at the world’s barriers is from The Associated Press. Here’s a photo collection that goes with the story.
What Walls Mean From Hadrian to Trump is from The BBC.
What border walls look like around the world is from The L.A. Times.
7 Famous Border Walls is from The History Channel.
World of walls: How 65 countries have erected fences on their borders is from The Daily Mail.
How does Trump’s wall compare to 10 of the world’s most famous? is from The Telegraph.