Russia Mongolia
Gene flow
Migration flow involving movement across international borders.
Migration
migration
Mongolia and Russia
back flow of people to their native country
It was a flow of African Americans moving from the South to the North.
Rising in Mongolia, the river follows its northern course to the Yenisei Gulf in the KARA Sea mostly draining in Central Siberia.
the constant flow of migrants from one country into another country.
It has been to the United States.
The number of people migrating to Japan is far less then those, who migrate to Australia.