Vivienne Chow An award-winning documentary about Hong Kong’s 2019 protests that has been effectively banned in its hometown has been set as the showpiece of the Taiwan International Documentary Festival.“Inside the Red Brick Wall” will play as the festival’s opening film, organizers announced on Thursday. The festival is set to run April 30 – May 9, 2021.The film chronicles the 13-day standoff between police and protesters at Hong Kong’s Polytechnic University in November 2019.