Spain
Aerial Photography of SPAIN
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EARTH Straits of Gibraltar -- 23 Aug. 2013) --- The Strait of Gibraltar, where Europe and Africa meet and where the Atlantic Ocean waters flow through the strait into the Mediterranean Sea.
EARTH Western Europe -- 10 Apr 2015 -- This NASA MODIS satellite image from 10 Apr 2015 (latest available from the Terra sensor) showing a build up of air pollution over south-eastern England
EARTH Western Europe -- 10 Apr 2015 -- This NASA MODIS satellite image from 10 Apr 2015 (latest available from the Terra and Aqua sensors) showing a build up of air pollution over south-eastern England and other parts of Europe
EARTH Western Europe -- 10 Apr 2015 -- This NASA MODIS satellite image from 09 Apr 2015 (latest available today as the satellite has yet to pass over Europe) showing a build up of air pollution over south-eastern England.
EARTH Straits of Gibraltar -- 23 Aug. 2013) --- The Strait of Gibraltar, where Europe and Africa meet and where the Atlantic Ocean
Power tower plants (also known as 'central tower' power plants or 'heliostat' power plants) capture and focus the sun's thermal energy with thousands of tracking mirrors (called heliostats) in roughly a two square mile field. A tower resides in the center of the heliostat field. The heliostats focus concentrated sunlight on a receiver which sits on top of the tower. This heats steam (or another medium), which in turn a standard turbine to generate electricity.