Observation gantry (UFO Crash Site and Recovery Facility)
A 7 m elevated observation walkway at 3.4 m: six columns on pads with knee braces, a grated deck, handrails with toe boards on both sides and the end, a nine-tread stair flight with its own rails and a deck light.
- 格式
- GLB
- 文件大小
- 79 KB
- 三角面
- 1,592
- 许可
- CC0 1.0