German educational film: Geysers in Iceland

This short educational film depicts two men's journey by horseback to a geyser on the island of Iceland. One of the men is identified by name, Dr. Erich Dautert. In several EXT shots a man is seen exiting his home with a grass thatched roof, and gathering together horses as well as supplies. He saddles some of the stout, long-haired horses with supplies, and he and another man ride two of the other horses. VS of the beautiful countryside of Iceland. The two men make their way over hills and much rugged terrain to reach the geyser. Beautiful scenes of waterfalls and jagged rock formations. VS, the two men and their horses travelling over land. They set up camp for the night and tether their horses ankles together so that they can't run away. VS, impressive shots (LS) of the geyser, cut to the two men at their tent, eating. END.