Emilia Wong catches up on reading letters from activist and partner Ventus Lau on her way back after visiting him at prison, in Hong Kong, Monday, March 25, 2024. For decades, Hong Kong's activists have been fighting for democracy. But a national security law imposed by Beijing in 2020 has dramatically changed their lives. In the city's biggest national security case, 47 democracy advocates were charged in 2021 over their roles in an unofficial primary election. (AP Photo/Louise Delmotte)