Masked (And Distanced) For A Night At The Bulgarian Opera March 20, 2021 15:13 GMT width No media source currently available 0:00 0:02:32 0:00 Bulgaria's Sofia Opera continues to stage performances for the public under strict hygiene rules, despite the COVID-19 pandemic. A small audience of up to 250 people is allowed to watch performances from the balconies, with the orchestra spread across most of the main seating level. Share