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10 things massive enough to be seen from space

Jan. 17, 2014, 10:44 a.m.
Greenhouses of Almeria, Spain, as seen from space

Photo: NASA

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Greenhouses of Almeria, Spain

Ever wonder what 64,000 acres of plastic greenhouse-like structures would look like from space? Almeria, Spain, has it covered. This historic city in Andalusia Province, in the southeasternmost part of Spain, is at the heart of the country's agriculture industry and exports almost three-quarters of its crops to other parts of Europe. The reflection from all these greenhouses sitting shoulder-to-shoulder means that the whole area is easily visible from space during the daytime.