Punished but hardly chastened, Mr. Guan keeps his American-made Robinson copter in a quasi hangar at his yacht club, on the Banks of the milky ou River some 30 minutes from downtown Wenzhou.

Punished but hardly chastened, Mr.Guan keeps his American-made Robinson copter in a quasi hangar at his yacht club, on the Banks of the milky ou River some 30 minutes from downtown Wenzhou.

The multi-copter is currently only able to fly for around 20 minutes because it runs on lithium-ion batteries.