the drone at the park

The other day Ming and I were at McKinley Park taking a walk.  Someone in dressup clothes with a name badge was flying a drone.  He would fly it straight up, high into the air, and down low again.  It made me really uncomfortable.  It had a whirring sound, and I didn't like it above our heads.  Lots of people stopped to watch it.  I wished there was some kind of rule about no drones at the park.