| OSM ID (link) | key | value | commentary |
|---|---|---|---|
| 467379972 | level | -1 | according to wiki it may be used only for indoor or if bound to a floor... |
| 561833542 | level | 0 | according to wiki it may be used only for indoor or if bound to a floor... |
| 674441691 | level | 1 | according to wiki it may be used only for indoor or if bound to a floor... |