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What happens when you try and light a firecracker on top of a manhole cover? Nature gives you a first-hand lesson on the flammability of sewer gas... http://www.youtube.com/watch?v=XIBeiwfwkmY&feature=youtu.be

This is from a newspaper story about natural gas wells in rural Pennsylvania (pictured at bottom). But my question is, what kind of operation is that in the background with the strips of plowed ground. Sod farm? I don't think it's terrace-building or related to the drilling...

Flooding in Pakistan as far as the eye can see. Any guestimates on how far away those trees are on the horizon? Over two miles? I guess the perspective depends on knowing how tall the trees are...