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Anchor text: The Ancient Stadium of Philippopolis - The Ancient Philippopolis and the Ancient Theatre

Wikipedia: Roman theatre of Philippopolis

Anchor text: Ancient Stadium of Philippopolis - Map of Ancient Philippopolis

Wikipedia: Small Basilica, Plovdiv

Anchor text: Ancient theatre of Philippopolis

Wikipedia: List of Roman theatres

Wikipedia: Philippopolis (Thrace)

Anchor text: Античният стадион на Филипопол (официален уебсайт) - Ancient Philippopolis

Wikipedia: Great Basilica, Plovdiv