view of the course of the bièvre river briefly flowing in the open air in the city of cachan, france

pond wetland stream woodland vegetation tree green jungle river flower forest garden swamp watercourse water plant leaf beauty bievre bièvre cachan calm canal city clean clear countryside covered creek ecology environment exterior france grass green greenery ile-de- ile-de-france landscape natural nature open air outdoor paris park pollution pure reflections river rural seine sewers source spring summer town tree tributary underground val-de-marne vegetation verdant view visible water watercourse wood