the.com/wall
The thing you build to keep things out and yourself in.
Berlin fallCame down in 1989 after 28 years dividing a city
Great WallNot visible from space with the naked eye
China's lengthStretches over 13,000 miles of stone and dust
Load-bearingRemove the wrong one and the ceiling joins you
JerichoAmong the oldest walls, roughly 10,000 years old