The stars of "Karate Kid: Legends" - Jackie Chan, Ralph Macchio and Ben Wang - brought their action film to London, Trafalgar Square on Tuesday to promote the latest instalment in the martial arts drama franchise. ⁣ ⁣ #jackiechan #liveactionmovie #liveaction #martialarts #kungfu #hongkong #karatekid #london #RalphMacchio #BenWang