Hierarchy classification:

1. top of the aat hierarchies
2. Activities Facet
3. Events (hierarchy name)
4. events (activities)
5. natural events

Anotations

Scope note:

Series of colored arcs that can appear when light, usually from the sun, interacts with water. Colors emerge as distinct bands after light in the water goes through a process of refraction, dispersal, reflection, and refraction again.