华沙，昔日荣耀今何在。男女之间差差差的应用

　　The history of the Warsaw Ghetto (1940-43) as seen from both sides of the wall, its legacy and its memory: new light on a tragic era of division, destruction and mass murder thanks to the testimony of survivors and the discovery of a ten-minute film shot by Polish amateur filmmaker Alfons Ziółkowski in 1941.