Auguste Henri Vildieu was the French architectural adjutant in Hanoi while that city was an administrative center for the French colony of Indochina. Vildieu constructed several grand European-style buildings for the colonial government, including:the Bureaux et Résidences Supérieure the Mairie the Palais de Justice the post office the Presidential Palace 1900-1906 the Public Works Building the Hỏa Lò Prison