| consist of rotating upr… | 0.60 |
| spin level | 0.25 |
| sit level | 0.25 |
| pittsburgh | 0.60 |
| 40 gondolas | 0.39 |
| the london eye | 0.16 |
| invented by george wash… | 0.60 |
| vertical to ground | 0.39 |
| invented | 0.25 |
| dismantled | 0.25 |
| refurbished | 0.25 |
| built in chicago | 0.25 |
| decorated with special … | 0.25 |
| such structures | 0.39 |