colonnade
US /ˌkɑː.ləˈneɪd/
UK /ˌkɑː.ləˈneɪd/

1.
colonnade, portique
a row of columns supporting a roof, an entablature, or part of the wall of a building
:
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The ancient temple was surrounded by a magnificent colonnade.
L'ancien temple était entouré d'une magnifique colonnade.
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We walked through the elegant colonnade leading to the main hall.
Nous avons traversé l'élégante colonnade menant au hall principal.