Though many Berliners could still move freely within the city - well,that was until August 13,1961.

尽管许多柏林人仍然可以在城市中自由行动, 但时间在1961年8月13日宣布停滞。

Overnight, families were split, and East Berliners working in the West were cut off from their jobs.

一夜之间, 家庭分裂, 在西方工作的东柏林人再无收入来源。

But for today's young Berliners, that's history.

但对于今天的柏林年轻人来说， 这已经成为历史。

Safely ensconced at West Berlin's Technical University, Mr Rudolph joins forces with a network of students and other activists aiming to smuggle out East Berliners.

鲁道夫安全藏身于西柏林工业大学，他加入了一个由学生和其他活动人士组成的网络，试图帮东柏林人偷渡出来。

But the announcement brought thousands of East Berliners to the border crossing points in the wall, forcing the surprised guards to open the gates immediately.

但这一消息将数千名东柏林人带到了隔离墙的边界过境点，迫使惊讶的守卫立即打开大门。