We were looking for a German seaport at the mouth of the Weser River. It's where the world's first commercial ship to be powered partly by a giant kite began its maiden voyage today.

"We have just taken off from Bremerhaven."

That's Lutz Heldt with the answer to today's Geo Quiz...Bremerhaven.

Heldt is the captain aboard the "MS Beluga SkySails."

Listen to the report