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The lost underground tube of doom [Wallpaper]

lost_underground_tube_of_doom_wallpaper_2560x1440 [1]

At first I thought it was an underground missile silo but that is apparently an underground gallery that was never used and has been abandoned.

Click above for 2560×1440 resolution or click via link below for higher/lower resolutions. Also, be sure to check out Bgcall automatic wallpaper changer for Windows [2] to help you use all the amazing wallpapers [3] featured on dotTech.

[via picturbex [4]]