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. hydraulic structures
9. [hydraulic structures by function]
10. water distribution structures

Anotations

Scope note:

Structures that enclose fountains, most often leaving one side or section open for viewing. These may be simple columned porches or more elaborate structures and usually include sculptural elements. The term is most often applied to such structures in classical Greece.