Efoil surfing is one of the newest extreme sports where surfers rise above the waves on motorized wings.
But could these electric surfboards be part of the future of London travel?
Two-time British Olympic snowboarder Amy Fuller traveled to the Thames to test one of the boards, which can reach speeds of up to 35 mph.
“I think crazy and cool is the best way to describe it. It looks like something from Back to the Future, she said.