Open Doors estimates that there are between 50,000 and 70,000 Christians being held in horrific labour camps, simply for daring to believe in a higher authority than the rulers of North Korea – Jesus. Hea Woo is a Christian who was imprisoned in North Korea. When she arrived at the prison camp where she was held, there was a sign saying ‘Do not try to escape, you shall be killed’. And yet, even in these labour camps that are like hell on earth, God is at work. Hea Woo says, “God helped me to survive. Even more: He gave me a desire to evangelise among the other prisoners!