In the south of the "canton de Fribourg", but on the "canton de Vaud", this frozen lake belongs to ProNatura (La Tourbière de la Rogivue). This lake is an ancient peat bog, still in use during last war.
No work with PS.
I like the movement of the reeds... and you?

... sous PS pour tenir compte d'avis éclairés. La retouche est valable, je crois, mais je l'ai voulue "sobre".