Serpentinite built Grochowiec hill in Brzeźnica Massif. Sudetic Foreland. Brzeźnica Massif is one of the few ophiolite complexes in the area together with iconic Ślęża Massif and Szklarskie hills. Last two photographs were made at the place where XIXth century fort was built, from which to this day only some earthworks remain, together with artificial cave made in serpentinite rocks.











