The chinese too, afaik, in shanghai drones deliver parcels in specific parcel stations. Flying drones delivering stuff (through the windows?) to upper floors of

The chinese too, afaik, in shanghai drones deliver parcels in specific parcel stations. Flying drones delivering stuff (through the windows?) to upper floors of buildings sounds like sth between scifi and madness right now. Having specific pickup locations solves a lot of problems like the ones here, as drones can just have to follow specific, predetermined routes that can be more easily monitored, instead of having to go to some random, different address.