A cargo ship pulled by a giant, parachute-shaped kite will leave Germany on Tuesday on a voyage that could herald a new "green" age of commercial sailing on the high seas.
The owners of the MS Beluga, a 462ft cargo vessel, will try to prove that modern steel ships can harness wind power and reduce their reliance on diesel engines.
He got the idea while flying a kite as a child, and has now developed the concept into a hybrid of the sailing ships of old and motorised modern craft.
