Photo Link 
This  is an image of the border between USA and Mexico. As can be seen, the  fence separating the two creates a clear divide between the two  countries. In this photo, USA is on the left and Mexico is on the right.  Its interesting to see how the two countries have altered the  environments so drastically in order to fit their individual agendas.  Although this photo portrays the two sides as complete opposites, how  much interaction and interdependence does in fact take place in the  areas immediately surrounding the border? 21 more images after the break...
 

