Ural Mountains , Encyclopædia Britannica on-line Their eastern side is usually considered the natural boundary between Europe and Asia .
The island of Novaya Zemlya forms a further continuation of the chain .
The island of Novaya Zemlya forms a further continuation of the chain .
Änderung zu einer einfacheren Formulierung: Ural Mountains , Encyclopædia Britannica on-line Their eastern side is usually considered the natural boundary between Europe and Asia . Ausgabe: