MDA4652861: Hotel de Ville de Boulogne Billancourt (Hauts de Seine). Architect Tony Garnier (1869-1948), 1931-1934. Built of weapon concrete, the building is seen as an exemplary town hall for the 20th century, a municipal factory characterized by the transparency of the counter hall with its three levels of suspended galleries., Garnier, Tony (1869-1948) / Bridgeman Images