16 fishermen on the coast of the North Sea are the last in the world to practice the ancient skill of shrimp fishing on horseback. They use Belgium's famous draft horses -- the world's strongest breed. In the coastal village of Oostduinkerke, our drones follow Stefaan Hancke as he heads out to sea. Watch from above as the skilled horserider attaches an enormous net to the back of his Belgian draft horse. Then, he slowly walks into the waves, dragging the net and trawls for tiny shrimp. The light