The Lena River, from its headwaters to its confluence with the Laptev Sea, resigned in the summer of 2011 Nizhny Novgorod traveler Yuri Prokofiev.
The Lena River – one of the largest rivers in Russia, it flows through the Irkutsk Region and Yakutia. Yuri began its launch in Ust-Kut and ended, sailed to Tiksi. It is about 4,000 km route! He did not take with him a firearm, GPS navigator and radio. He was absolutely alone in his makeshift raft, yielding entirely of this wonderful river.
Translation: Google