- 3157 320x240 pipe, smoke, building
- 2064 320x240 pipe, curve, metal
- 3979 320x240 pipe, bottom view, starry sky
- 3807 320x240 pipe, structure, sky
- 5090 320x240 pipe, twisting, bottom view
- 11682 320x240 pipe, cloud, ribbed
- 13773 320x240 pipe, poppies, field
- 20352 320x240 pipe, metal, wheels
- 13962 320x240 pipe, device, forms
- 17085 320x240 pipe, light, form
- 1282 320x240 tower, pipe, buildings
- 1785 320x240 tower, pipe, buildings
- 1830 320x240 building, pipe, windows
- 12164 320x240 building, pipe, yellow
- 3966 320x240 tunnel, pipe, water