Experts' Experts: How to navigate any city in the world

Note the orientation of satellite TV dishes. 

They will all point in the same direction.

In the U.K., for example, they all point close to directly southeast.

In the U.S., they face toward the south.

And so on and so forth.

Note that in the Southern Hemisphere they will point somewhere to the north.

From the top down: Algeria, Egypt, Morocco.

[via BBC News and Richard Kashdan]