On October 21, a Douyin skit recreating high school students in the four Shanhe provinces being woken at 5 a.m. and still having to undergo dormitory checks after evening self-study ends at 10:30 p.m. sparked heated discussion, with netizens sighing, "We went through all that suffering, and it's still turning screws."[North Koreanization][Netizen Comments][Persecutory Education][The Four Provinces of Mountains and Rivers]