A major river in the Brazilian metropolis Sao Paulo is suddenly emerald green and clear skies have turned from blue to gray.

Schöfbänker has also cross-haired with his equipment the "KH-11 Kennen" electro-optical satellites that were first introduced ...

Some of the most stunning photos are taken from the air. Being in the sky presents countless opportunities to capture extraordinary imagery.

So, instead of the long journey required from Rio or Sao Paulo (usually a combination of a flight ... Don't miss a cable car ride to get an aerial view of the city. Tbilisi sprawls much further than ...

SAO PAULO (AP) — A major river in the Brazilian metropolis of Sao Paulo is suddenly emerald green and clear skies this week ...