A Russian river; the longest river in Europe; flows into the Caspian Sea.
A Russian river; the longest river in Europe; flows into the Caspian Sea.
俄罗斯的一条河流；欧洲最长河；流入里海。
A Russian river; the longest river in Europe; flows into the Caspian Sea.
俄罗斯的一条河流；欧洲最长河；流入里海。