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- 7922 800x600 concrete, surface, wall
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- 27000 800x600 concrete, wall, flower
- 1567 800x600 building, concrete, architecture
- 1972 800x600 architecture, concrete, style
- 2566 800x600 construction, concrete, sky
- 3569 800x600 wall, concrete, stripes
- 4616 800x600 wall, concrete, stripe
- 3115 800x600 building, concrete, architecture
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- 8010 800x600 wall, concrete, gray