- 3161 240x400 pipe, smoke, building
- 2064 240x400 pipe, curve, metal
- 3979 240x400 pipe, bottom view, starry sky
- 3807 240x400 pipe, structure, sky
- 5090 240x400 pipe, twisting, bottom view
- 11682 240x400 pipe, cloud, ribbed
- 13777 240x400 pipe, poppies, field
- 20357 240x400 pipe, metal, wheels
- 13962 240x400 pipe, device, forms
- 17085 240x400 pipe, light, form
- 1282 240x400 tower, pipe, buildings
- 1785 240x400 tower, pipe, buildings
- 1830 240x400 building, pipe, windows
- 12165 240x400 building, pipe, yellow
- 3966 240x400 tunnel, pipe, water