As pointed out by Roglaf in the satellite picture I posted below, those pictures come from a NASA program you can download here:
http://worldwind.arc.nasa.gov/
I juts spent about three hours using it, it is easy to use once you get the hang of it. It is keyboard driven, so make sure to print the keyboard with the commands if you are going to use it. Here are two more pictures of Caracas without any processing, obviously the image I posted last week had some processing. I think the white can be either clouds in the mountains or areas with no vegetation.
Caracas from the South mountains are in front From the north, you can see Vargas, the airport and behind the mountains Caracas
The Devil's Excrement 