Gunkanjima was the inspiration for the island location in the James Bond film 'Skyfall', although no actual shooting took place there. Only a very select few people including Jason and his crew have ever obtained permission to film there.
The interview and rooftop free-running stunts were shot at the top of the 25 Hours Hotel in Frankfurt, Germany. It was one of the hottest days of the year, a scorching 34 degrees celsius/93 fahrenheit.