https://www.google.ca/.../data=!3m1!1e3?hl=en Couldn't get it to post as picture yet but check this out. This is about 40 miles from me. The silvery things seen from above are greenhouses. Notice how the one in the middle of the picture could house the 18 hole golf course beside it. After you have done that scroll around a bit. Leamington is a town of 25, 000 people to the east. (right) You could probably put all the houses and their yards in the greenhouses within 10 miles of them They are producing sweet peppers, cucumbers and tomatoes. This is the greatest concentration but similiar greenhouses are scattered though out our area all heated by natural gas. They say every couple of years they get more efficient but we are talking about natural gas being used on an industrial scale. Also a lot of Mexicans on work permits.

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They constantly try to escape from the darkness outside and within
Dreaming of systems so perfect that no one will need to be good T.S. Eliot