Seeing Earth from above reminds you how tiny we really are.
The world’s mountains and oceans pale in comparison to the empty space that surrounds us.
While humanity may appear quite insignificant when viewing the globe from above, the borders that divide us can actually become clearer than ever, acting as symbols of political and economic divides.
Being able to see an international border from space is very rare, but we had a look through the NASA Earth Observatory image database to find photos of the few instances where an international boundary can be seen.
All of the images below were taken either by astronauts on the ISS or by orbiting satellites.