![File:Citadelle - Porte de Guise - Calais - Médiathèque de l'architecture et du patrimoine - APMH00004435.jpg - Wikimedia Commons File:Citadelle - Porte de Guise - Calais - Médiathèque de l'architecture et du patrimoine - APMH00004435.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/c/c6/Citadelle_-_Porte_de_Guise_-_Calais_-_M%C3%A9diath%C3%A8que_de_l%27architecture_et_du_patrimoine_-_APMH00004435.jpg)
File:Citadelle - Porte de Guise - Calais - Médiathèque de l'architecture et du patrimoine - APMH00004435.jpg - Wikimedia Commons
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Day of fortified areas in Calais guided tour of the Porte de Boulogne citadel, Av. Pierre de Coubertin,62100 Calais Calais Sunday 24 April 2022 – europe-cities.com
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France, Boulogne-sur-Mer, Porte Calais by Photographie originale / Original photograph: (1880) Photograph | photovintagefrance
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Porte de paris, lille, france. Porte de paris, door of the sick, and belfry in lille, nord-pas-de-calais, france. | CanStock
![Porte de la mer, Calais. The port town of Calais. Colour Illustration from ‘Abroad’. Abroad. Marcus Ward & Co.: London, 1882. Source: 12810.d.28 page 54. Language: English. Author: Crane, Thomas. Houghton, Ellen Porte de la mer, Calais. The port town of Calais. Colour Illustration from ‘Abroad’. Abroad. Marcus Ward & Co.: London, 1882. Source: 12810.d.28 page 54. Language: English. Author: Crane, Thomas. Houghton, Ellen](https://c8.alamy.com/zooms/6/de2c63c147b04ae4844c244a40b87687/e5ey99.jpg)
Porte de la mer, Calais. The port town of Calais. Colour Illustration from ‘Abroad’. Abroad. Marcus Ward & Co.: London, 1882. Source: 12810.d.28 page 54. Language: English. Author: Crane, Thomas. Houghton, Ellen
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Calais, Porte de la Mer / Sea Gate of Calais). In northern France, late 19th century.1882 . Drawn by Thomas Crane Stock Photo - Alamy
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