In a book based on the podcast series, a broadcast journalist tells the unbelievable true story of 22-year-old Joachim Rudolph, who, in 1961, set out to build an escape tunnel under the Berlin Wall and was faced with many obstacles before freeing 29 people. He escaped from one of the world's most brutal regimes. Then, he decided to tunnel back in. In the summer of 1962, a young student named Joachim Rudolph dug a tunnel under the Berlin Wall. Waiting...