Would you live in a city near an active volcano? Many people do, all over the world. Environmental Graffiti shows us ten cities in which the people live side-by-side with the threat of explosions, ash, and lava. Shown is the city of Pasto, Colombia, (population 450,000) which is only 9 kilometers from the active volcano Galeras. Link

(Image credit: Camilo Martínez S.)