China got to 370 days total, but my reading of the articles about it is that the most a single group endured was 200 days. https://en.wikipedia.org/wiki/Yuegon

China got to 370 days total, but my reading of the articles about it is that the most a single group endured was 200 days. https://en.wikipedia.org/wiki/Yuegong-1 https://en.wikipedia.org/wiki/Yuegong-1