5,200 kilometres, 6 months on a rowing boat, day and night, 1 million oar strokes on the Rhine and Danube from the English Channel to the Black Sea. And to help him across 15 countries from London to Istanbul, and passing through Italy (boat launch), England, France, Belgium, Germany, Austria, Slovakia, Hungary, Croatia, Serbia, Romania, Bulgaria, Moldavia, Ukraine and Turkey, there will only be the wind and a sail.