Writer-director Luc Besson in Beijing promoting his new movie

French director Luc Besson promotes his film 'Valerian and the City of a Thousand Planets' in Beijing on August 20, 2017. Besson's Loony Space Saga is due to hit Chinese theatres on August 25, 2017. [Photo provided to China Plus]

Chinese actress Wang Luodan (center) and veteran actor Sun Honglei (right) pose for a picture with acclaimed French director Luc Besson (left) at a premiere of Besson's Loony Space Saga 'Valerian and the City of a Thousand Planets' in Beijing on August 20, 2017. [Photo provided to China Plus]

French director Luc Besson promotes his film 'Valerian and the City of a Thousand Planets' in Beijing on August 20, 2017. Besson's Loony Space Saga is due to hit Chinese theatres on August 25, 2017. [Photo provided to China Plus]

French director Luc Besson promotes his film 'Valerian and the City of a Thousand Planets' in Beijing on August 20, 2017. Besson's Loony Space Saga is due to hit Chinese theatres on August 25, 2017. [Photo provided to China Plus]