- 2267 1280x800 pipe, smoke, building
- 1733 1280x800 pipe, curve, metal
- 3485 1280x800 pipe, bottom view, starry sky
- 3435 1280x800 pipe, structure, sky
- 4656 1280x800 pipe, twisting, bottom view
- 10842 1280x800 pipe, cloud, ribbed
- 13376 1280x800 pipe, poppies, field
- 19874 1280x800 pipe, metal, wheels
- 13657 1280x800 pipe, device, forms
- 16870 1280x800 pipe, light, form
- 1476 1280x800 tower, pipe, buildings
- 1521 1280x800 building, pipe, windows
- 11055 1280x800 building, pipe, yellow
- 3700 1280x800 tunnel, pipe, water
- 5975 1280x800 tunnel, pipe, water