In a recent interview, he described the new measures the cast and crew are having to get to grips with. “Some days it [the perspex] works really well," he said of the many sheets.

"Other times, it’s been a pain. “If rain gets on the perspex, you can’t shoot through it and you can only wipe it dry with a certain type of cloth. He added that inside shots can

sometimes result in reflections from the see-through plastic, meaning everything is taking a long time to get right.