US actor Austin Butler, 32, said he had to struggle with extreme heat during his first week of filming the film “Dune: Part 2” Temperatures at the filming location were 110 degrees Fahrenheit (around 43 degrees Celsius) Director Denis Villeneuve also spoke of a “very physically demanding” shoot under ‘very tough conditions’ The world premiere took place on February 15th in a cinema in London's Leicester Square. The film hits German cinemas on February 29th.