Railing: "railing" by g w, via Poly Pizza (original Google Poly asset).
Source: https://poly.pizza/m/4APZeLcSRuI
Original GLB: https://static.poly.pizza/921000c0-7653-4e92-bf79-405c9ef1129a.glb
License: Creative Commons Attribution 3.0 https://creativecommons.org/licenses/by/3.0/
Adaptations: normalized dimensions, modular repetition, shared end-post removal, slope shear keeping posts vertical, material tint. Original imported railing mesh is retained, not redrawn.

Enclosed gondola candidate: "Cable Car" by Zeki Delil.
Source: https://sketchfab.com/3d-models/cable-car-3a71795791074d89b4032a4b37d56283
License: Creative Commons Attribution 4.0 https://creativecommons.org/licenses/by/4.0/
Model download requires the user's authenticated download; not included or claimed as installed until supplied.