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Royalty-Free Refinery Photos, dominant color: blue
4608x3456
bridge, suspension bridge, architecture, bridge construction, steel structure, steel bridge
Public Domain
2000x1333
white spaceship during night time
Public Domain
3597x2615
photo of factory under blue sky
Public Domain
5572x3715
photo of gray metal industrial machine
Public Domain
1920x1280
nuclear plant, metal, chain, fence, dark blue, blue sky
Public Domain
4128x2322
black satellite near black street light
Public Domain