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 function]
8. fortifications (built environment)
9. fortresses

Anotations

Scope note:

Fortress-monastery complexes in Bhutanese and Tibetan architectures. The dzong served as a stronghold against enemies in the past, and it now plays an important role as a combined administrative center and monastery.