 Complete the following phrase:  Jopie Huisman was born on 18 October 1922 in Workum, Friesland. In 1939, he became a ceramics painter at the earthenware factory of Aurora. In 1942, he was arrested during a raid and put to work at a labor camp in Kassel, Germany. One day, he was looking at the sky and thought he saw a flock of geese. Suddenly the factory next door collapsed. The 