Renesse aan Zee — a square in a Dutch seaside town. Cafes, bikes, people wandering past. Closest thing to the doorbell-cam feeling someone mentioned above.

https://www.youtube.com/watch?v=ZMgVXcPwxtQ

I keep a directory of these so I ended up counting: that one has been live without a break for 8 years and 47 days, the oldest I've found. Most don't come close — median across the ~2,000 live cams I track is 193 days. Stream keys expire, power goes out, storms take the camera down.