Swiss inventor Auguste Piccard and his son Jacques dive into the Mediterranean Sea in the bathyscaphe Trieste to a depth of 3 km. They are disappointed to see only dark, muddy, and barren depths.
Swiss inventor Auguste Piccard and his son Jacques dive into the Mediterranean Sea in the bathyscaphe Trieste to a depth of 3 km. They are disappointed to see only dark, muddy, and barren depths.