That's good news. A lot of people are looking forward to Tenet. If anything I would have thought cinemas would be the easiest social venues to reopen because they have structured seating which can be adjusted and social seating enforced. It is like Battleships, you just block off (prevent them from being booked on the computer) all the squares (seats) around one square.
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Looking at that and thinking of the seat width in the cinema it might actually have to be two seats spaces between people so you are probably looking at 35% screen capacity but tbh during the day and most weekday evenings that is probably what you get anyway. I deliberately go to the cinema a weekday around lunchtime so everyone is at work, at school or having lunch and there are literally a handful of people in the screen. The other two big ones I was looking forward to over summer was Top Gun and Blockbusters but Top Gun has been banged back to December and Ghostbusters next year