Hi - I made the original video! Found it on here, Spinning shadows are fun, but plans have to be made to insure the shadows don't fall on houses nearby! The turbines hardly made any noise.
The Westmill facility, near Watchfield, South Oxfordshire, England, consists of five Siemens Bonus 1.3-MW machines, each with a rotor diameter of 62 m (203.5 ft) and a total height of 80 m (262.5 ft).