Such observation is part of the richness, immediacy, and thick description of a case study.
The case study's richness is comprised at least in part by observations like this.
Such observation doesn't add anything to the richness, immediacy, and description involved in a case study.
The group is playing music.
The man is trying to board the other ship.
A person is not carrying any bags.
Los Angeles is now devoid of any Asian Americans and visitors should skip this area.
Mother and father stand outside the gas store.
A female with blond-hair, wearing jeans, walking past a music store.