Rivière et tapis de plantes aquatiques (Sagonne 18600, France). Eau cristalline. Tags: eau douce; minérale; plante aquatique; rivière; milieu naturel; cristalline; limpide; courant; surface; reflet; vert; Sagonin; Cher; France; claire; pureté; fresh water; freshwater; mineral; watery; aquatic; plant; river; natural environment; crystalline; limpid; running; stream; reflection; green; clear; purity;