New Malden in Surrey, a London suburb, which already had a sizeable Korean community – there had been a South Korean embassy there. In 2015, it was said to be 10,000 Koreans in that one suburb, including then 700 North Koreans. Now the Guardian has released a podcast about a new documentary, “Little Pyongyang”.
https://www.theguardian.com/news/audio/2018/aug/03/doc-tales-little-pyongyang-the-story-podcast
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