🏴󠁧󠁢󠁳󠁣󠁴󠁿 Antonine Wall
🇧🇪 Antwerp
🇪🇸 Barcelona
🇷🇸 Belgrade Fortress
🇩🇪 Berlin Wall
🇫🇷 Boulogne-sur-Mer
🇸🇰 Bratislava
🇧🇪 Brussels
🇩🇪 Bonn
🇨🇿 Cheb
🇹🇷 Constantinople
🇭🇷 Diocletian’s Palace
🇭🇷 Dubrovnik
🇫🇷 Enceinte de Charles V
🇫🇷 Enceinte de Louis XIII
🇫🇷 Enceinte de Philippe Auguste
🇫🇷 Enceinte de Thiers
🇺🇸 Gum Wall
🇬🇧 Hadrian’s Wall
🇦🇹 Hainburg an der Donau
🇨🇿 Hunger Wall
🇮🇱 Jerusalem
🇦🇹 Linienwall
🇬🇧 London
🇵🇱 Modlin Fortress
🇨🇦 Montréal
🇫🇷 Montreuil-sur-Mer
🇫🇷 Mur des Fermiers Généraux
🇫🇷 Neuf-Brisach
🇫🇷 Nevers
🇫🇷 Rocamadour
🇪🇪 Talinn
🇩🇪 Trier
🇸🇰 Trnava
🇦🇹 Vienna
🇺🇸 Vietnam Memorial
🇵🇸 West Bank Barrier
🇮🇱 Western Wall

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🇵🇸 Gaza Barrier
🇨🇳 Great Wall of China
🇳🇬 Kano
🇳🇬 Keffi
🇨🇦 Quebec City
🇭🇷 Ston