The flag ceremony traditionally marking the end of structural work has just taken place on the site of the "Boulogne D5" project, in the Trapèze district of Boulogne-Billancourt.
Boulogne D5, a lighthouse in the city
Last room in Boulogne-Billancourt's historic Trapèze district
Business Immo
July 9, 2025 | 4:32 P.M.
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