Map
showing the locations of the mega-city, Sao Paulo, and
of Belem, which lies near the mouth of the Amazon River
in Brazil.
Click
on image to enlarge.
This
NASA satellite image shows the Amazon river flowing
from east to west across the upper third of the picture.
Roads show up as paler green lines. Logging and other
incursions can be seen as faint crosshairs extending
out from the road.