Our American friends who have already seen Transformers: Age of Extinction (we sadly have to wait till Saturday on this side of the pond) will know American soil isn't the only battleground for the Robots in Disguise this time round, with China playing a big part in the movie. A new featurette has come online, taking us behind the scenes on the filming in Hong Kong, Beijing, Wulong Park, and The Great Wall of China.
