) Novonikolayevskaya stanitsa ( Bautino , Kazakhstan), Blagoveshchensk , towns and settlements at Ural , Ishim , Irtysh , Ob , Yenisei , Lena , Amur , Anadyr ( Chukotka ), and Ussuri Rivers . A group of Albazin Cossacks settled in China as early as 1685. Cossacks actively exchanged cultures