From 3pm to 10pm spectators can admire Polish and international athletes on Motława River at Ołowianka Island. They will be competing in six categories : flyboarding, wakeboarding, blob jump, splash diving, Jet Ski freestyle and dragon boat racing. And of course you shouldn't miss the final highlight: the Night LED Show with lots of sparkling special effects.
More information (in Polish) here.
Watch the film here