"Dead tree - global warming effect"
Price: "10"

"flowing water at the banias river wirh reflection on the sky and the trees above.

water surface
Price: natural pool

"A jet takes off from a location on a USA map.

flying
Price: travel

"boy looking at computer with excited look on his face"
Price: "10"

"Two girls talking via the internet.

video chat
Price: im

"beautiful female lab worker holding up test tubes

analysis
Price: chemistry

"Baby with white flower