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The City in the Sky Wallpaper
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City In The Sky [deviantART]
Lowell Heddings, better known online as the How-To Geek, spends all his free time bringing you fresh geekery on a daily basis. You can follow him on Google+ if you'd like.
cool! thank you
Night vision goggles have a green display because the human eye can distinguish between more shades of green than any other color.
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