TEC4639797: Royal greenhouses, Avenue du Parc in Laeken, Belgium. In the 19th century, glass and metal as new building materials allowed the construction of a new type of building: the greenhouse. King Leopold II (1835-1909) entrusted the architect Alphonse Balat (1818-1895) with the construction of an ideal glass palace, completed 1873. Open to the public three weeks a year, the Royal Greenhouses of Laeken house an exceptional collection of plants, some dating back to Leopold II. Photography 30/04/06. / Bridgeman Images
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