Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Built Environment (hierarchy name)
4. Single Built Works (hierarchy name)
5. single built works (built environment)
6. [single built works by specific type]
7. [single built works by form]
8. [single built works by form: massing or shape]

Anotations

Scope note:

Built works that manifest landscape and ecology, utilizing properties usually associated with the natural environment, such as continuity with surrounding topography, green roofs, artificial mountains, and geological forms.