EUROPEAN COUNTRIES+PHYSICAL FEATURES

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Across
  1. 3. The channel separating France and the United Kingdom.
  2. 5. The largest peninsula in Europe.
  3. 6. Mountains standing on the border of Spain and France.
Down
  1. 1. The mountains that separate Russia from Europe to Asia.
  2. 2. A sea separated by 21 different countries in Europe.
  3. 4. A river that flows through 10 European countries.