Muo Chih-hang was one of them. He says that after 1966, the KMT's activities went completely underground. For example, on New Year's Day or National Day, celebrations all had to take place indoors.
莫志航說，一九六六年之後，國民黨的活動完全轉入地下，像元旦或國慶日的慶祝活動只能在室內進行。