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 location or context]

Anotations

Scope note:

Buildings or complexes, often found at an international expositions or fairs, devoted to a theme but not representing by itself the identity of a single nation or geographic area. Each single building or complex structure has homogeneous characteristics that identify it as a discrete item.