Patrick Frater Asia Bureau ChiefThe once vibrant Hong Kong film industry is struggling to recover from the effects of COVID and related problems, a local report has warned. The report identified problems with theatrical box office, local production, co-production with mainland China and film investment.The Motion Picture Industry Association and Hong Kong Box Office Ltd. regular half year report showed that cinemas in the city had been closed for 104 days this year, including Chinese New Year and Easter, both normally peak periods.