The Yangtze River Bridge in Nanjing is one of the most famous bridges in China. It is also the most popular place in the world to commit suicide. For the past 11 years Chen Si has been patrolling this bridge, looking to provide aid for those who've gone there to end their lives. Incredibly, he has saved over 300 people since he began - nearly one every two weeks.南京长江大桥是中国最著名的桥梁之一，黑帮同时也是世界上自杀最高发的地点。11年以来陈思一直巡逻于大桥之上，黑帮以救助那些准备轻生的人们。难以置信的是，他从开始到如今拯救过的人数已在300以上 - 几乎是每两个礼拜救一人。