Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Built Environment (hierarchy name)
4. Open Spaces and Site Elements (hierarchy name )
5. open spaces
6. [open spaces by function]
7. transportation spaces
8. routes

Anotations

Scope note:

Historical itineraries such as the Silk Road across Asia or the St. James pilgrimage route to Santiago de Compostela recognized as heritage sites by administrative bodies such as the Council of Europe and UNESCO. Some are developed as scenic routes for cultural tourism.