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A geothermal heating system is built. The heating pipes are laid into the ground.

Stock Photo:
Image ID: 49961008
Release Information: N/A
Small
334x500 4.6"x6.9" (72dpi) 313 KB
Med
667x1000 2.2"x3.3" (300dpi) 1.2 MB
Large
3744x5616 12.5"x18.7" (300dpi) 19.3 MB
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