Tour offers a trip to the unique stopping places of more than 300 species of migratory birds, the number of which on the ducts of the south of the Hasan district, simply cannot be counted. Every year in March, thousands of geese, swans, ducks, herons, waders, rare birds listed in the Red Book, Japanese and Daurian cranes, a yellow-billed heron, a small spoon rest and feed in the vast wetlands of Hasan