Schengen internal border

Target entity: Schengen internal border
Context triple: [Vilar Formoso–Fuentes de Oñoro rail link, borderType, Schengen internal border]

• A. Schengen–Perl border crossing
  The Schengen–Perl border crossing is a notable road and pedestrian crossing over the Moselle River linking the village of Schengen in Luxembourg with Perl in Germany, symbolizing European open-border integration.
• B. European Union external border
  The European Union external border is the outer boundary separating EU member states from non-EU countries, where the Union’s customs, immigration, and security controls are applied.
• C. Schengen
  Schengen is a small Luxembourgish town on the Moselle River best known for giving its name to the Schengen Agreement, which created Europe’s border-free travel zone.
• D. Germany–Austria border
  The Germany–Austria border is an international boundary running through the Alps and other regions of Central Europe, separating the Federal Republic of Germany from the Republic of Austria.
• E. inner German border
  The inner German border was the heavily fortified frontier that separated East and West Germany during the Cold War, symbolizing the division of Europe.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Schengen internal border
Target entity description: A Schengen internal border is a frontier between two countries within the Schengen Area where systematic border checks have been abolished, allowing largely unrestricted cross-border movement.

• A. Schengen–Perl border crossing
  The Schengen–Perl border crossing is a notable road and pedestrian crossing over the Moselle River linking the village of Schengen in Luxembourg with Perl in Germany, symbolizing European open-border integration.
• B. European Union external border
  The European Union external border is the outer boundary separating EU member states from non-EU countries, where the Union’s customs, immigration, and security controls are applied.
• C. Schengen
  Schengen is a small Luxembourgish town on the Moselle River best known for giving its name to the Schengen Agreement, which created Europe’s border-free travel zone.
• D. Germany–Austria border
  The Germany–Austria border is an international boundary running through the Alps and other regions of Central Europe, separating the Federal Republic of Germany from the Republic of Austria.
• E. inner German border
  The inner German border was the heavily fortified frontier that separated East and West Germany during the Cold War, symbolizing the division of Europe.
• F. None of above. chosen