English: Those extra-curricular tuition is prohibited by the government. But those class can run "underground" and actually provided some support to students who have difficulty in learning. The tuition in these pictures was arranged by the master of the class. Although not mandatory, most students still attended these tuitions. The fee was 40 yuan per class (1 hour duration) per person . Under extensive pressure from government, all of the tuition programs were canceled in March 2018. Last for two and a half years in total. The teachers took part in such tuitions chose to teach students on every Saturday instead. As a result of govenment pressure, the fee decreased dramatically to 2 yuan per class(40 min duration) per person.