Right in the middle of town, between the buildings: an oil well!
No, you're not dreaming—this oil drilling well is literally right up against that building!
The residents have a clear view of the well, which is just 8 or 9 meters from their windows!
Explanation:
Campina experienced rapid and chaotic growth during the "black gold" rush at the end of the 19th century, and since then, oil extraction has never stopped!