Students and activists rebuild Lennon Wall at Hong Kong university campus

HONG KONG, CHINA - SEPTEMBER 29: An university student puts up a banner to demand of releasing the 12 Hong Kong activists detained by Chinese authorities at the University of Hong Kong campus in Hong Kong, China on September 29, 2020. Hong Kong students and activists rebuild a Lennon Wall, pro-democracy themed post-it notes and placards, inside the Hong Kong university campus month after the National Security Law has restricted them. (Photo by Miguel Candela Poblacion/Anadolu Agency via Getty Images)