Another photo from Katsu Naito of Harlem in the 1990s. This image is tough to locate, but the title of the photo indicates it’s on 122nd Street:

Note that no barrier stops someone from exploring the dramatically dangerous and partly demolished buildings.
https://www.theguardian.com/artanddesign/2023/sep/04/katsu-naito-harlem-1990s-new-york-photo-essay
The New Public Health Laboratory
Current state:

Planned look:
