Here are some nice weather forecast image overlays for South America which were compiled by someone at the Google Earth Community called “Gerardo64″. Included are the following: satellite photo / Foto Satelital, Maximum and minimum temperatures / Temperaturas Máximas y Mínimas, Infared / Radiación Ultravioleta, and sea temperature / Temperatura del Mar. So, check out the collection of weather forecasts / Pronostico 
for South America.
Gerardo64 has also created a number of nice 3D models written about at GEB such as the Atomium, the Unisphere, and the Space Elevator.
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