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. ceremonial structures
9. religious structures
10. religious buildings
11. churches (buildings)
12. [church buildings by location or context]

Additional parents:

1. top of the aat hierarchies
2. Objects Facet
3. Built Environment
4. Single Built Works
5. single built works
6. single built works by specific type
7. single built works by location or context
8. single built works by location: topographical
9. cave architecture

Anotations

Scope note:

Churches that are constructed inside caves or otherwise utilize natural cavities in the earth's surface. They are distinguished from rock-cut churches, which are cut from the living rock outside the context of a cave.