Landscapes · March 26, 2015 Kartkowo reserve An early spring trip to Kartkowo reserve – frozen swamps and a beautiful small frozen lake. fot. Marta Reszka © 2013. Kartkowo nature reserve. fot. Marta Reszka © 2013. Kartkowo nature reserve. fot. Marta Reszka © 2013. Kartkowo nature reserve. Tagged: countrysidelakewinter