Borders are much more than lines on a map.
This story originally appeared on Time.com.
International borders are often delineated by far more than lines on a map. In the most extreme cases, these differences between countries or the borders themselves are so distinct they are distinguishable from space. From imbalances in development to the construction of new walls or the lasting effects of old ones. Below are a few instances where astronauts on the International Space Station (ISS) have been able to point their cameras toward earth and create striking images of the world's borders that, at times, say much about the countries they separate.