for those who like Changi, like me:
https://mustsharenews.com/visit-changi-heritage-tour/
https://www.roots.gov.sg/places/places-landing/trails/Changi-Heritage-Trail
can ownself go explore?
yeah i think so. just follow the map on the second link and go to the ones you want. can click on each link to read about the particular place.
i remember attending guided tours (free) for tiong bahru, tanglin halt, and redhill. hope they do one here next time.
found this video too:
https://www.youtube.com/watch?v=4aeNd1TfKEo&t=7s