This is a map of Europe and Asia. Identify the main geographical features visible on the map, such as continents, oceans, seas, rivers, and mountains.

The map displays parts of Europe and Asia, with prominent geographical features:

• Continents: Europe and Asia are visible.
• Oceans/Seas: The Arctic Ocean is visible to the north. Parts of the Baltic Sea, Black Sea, and Caspian Sea are also depicted.
• Rivers: Several river systems are indicated by blue lines, particularly within the landmasses of Europe and Asia. Specific names are not discernible from the image quality.
• Mountains: Mountain ranges are shown with shaded relief, notably in Eastern Europe and parts of Asia. Specific names are not discernible.
• Lakes: Several lakes are visible, including what appears to be Ladoga and Onega in Northwestern Russia.