 It is around the quarters of Saint-Leu, Saint-Maurice bordering the River Somme and most of the administrative and civil area of the current city center which the city has developed since antiquity.The Canal de la Somme dates from the beginning of the 19th century and the bridge at the foot of the citadel and was built after World War II.Amiens has the typical oceanic climate of the north of France, with relatively mild winters, cool summers, and rainfall well distributed throughout the year.