- 4558 1152x864 columns, architecture, concrete
- 4524 1152x864 bridge, construction, concrete
- 4434 1152x864 stairs, wall, concrete
- 4407 1152x864 building, architecture, concrete
- 4257 1152x864 building, architecture, concrete
- 4010 1152x864 walls, tunnel, concrete
- 3934 1152x864 wall, construction, concrete
- 3631 1152x864 steps, ladder, concrete
- 3019 1152x864 lake, horizon, concrete
- 2887 1152x864 stairs, rise, concrete
- 2879 1152x864 bridge, construction, concrete
- 2246 1152x864 pond, water, concrete
- 2240 1152x864 building, facade, concrete
- 1978 1152x864 stairs, metal, concrete
- 1598 1152x864 dam, weir, concrete