A kitesurfer near Rostock, Warnemūnde, Germany

This photo of a kitesurfer was taken near Warnemūnde. The kiteboarding or kitesurfing sport involves using wind power with a large power kite to pull a rider across a water, a land, or a snow surface. They can reach speeds of more than 100 km/h.

From the album "Diary of a Northern Cruise".