- 2531 480x800 pipes, curves, colorful
- 2921 480x800 pipes, glare, colorful
- 2524 480x800 pipes, buildings, smoke
- 4470 480x800 pipes, lines, texture
- 3612 480x800 pipes, surface, relief
- 5637 480x800 pipes, neon, purple
- 5728 480x800 pipes, metal, metallic
- 8222 480x800 pipes, metal, metallic
- 8725 480x800 pipes, construction, metal
- 11535 480x800 pipes, evening, decline
- 3912 480x800 silhouette, pipes, fog
- 3017 480x800 roof, pipes, ceiling
- 44174 480x800 shape, pipes, lines
- 25157 480x800 gold, pipes, circles
- 2878 480x800 man, grass, pipes