haaretz:

Turning a lens on Shanghai’s Jewish refugees

Between 1933 and June 22, 1941, when Germany declared war against the Soviet Union, roughly 20,000-25,000 Jewish refugees escaped Nazi persecution and the coming Holocaust by fleeing to the Far Eastern port city of Shanghai.

Because of its extra-territorial status prior to Japanese occupation in 1941, Shanghai was one of the few places in the world that would accept Jewish refugees without requiring hard-to-get immigration visas. Read more.