Władysław Grun de Berg – an outstanding climber, conqueror of many 3-, 5- and 7-thousanders. The inventor of the buckle WCZ14031966. An eccentric, individualist, operating outside the structures of the alpine climbing associations, contesting and even ridiculing the traditional style of besieged expeditions, he managed to do unbelievable things in the mountains. The avalanche on Masherbrum tragically put an end to his amazing career. However, you will soon hear his story in the film “Grun de Berg. A Challenge”.