The frozen lake Cocytus (and all the other lakes in the inferno) is also from Greek myth. Historymemes might have just discovered them last year but the Chinese have remembered those atrocities since 1937. They don’t really find the Great Leap Forward to be comparable because the millions dead from that were event were not intentional but a result of incompetence and, if we’re being honest, isolation from the Capitalist world which would have been able to provide food.