In recent years, Hollywood has been eying the Chinese movie audience as China is one of the largest international film markets, and the two worlds come together in the trailer for the upcoming film "The Great Wall", which debuted Thursday (July 28). Hollywood actor Matt Damon stars alongside Chinese superstar Andy Lau in the new film by Chinese director Zhang Yimou, the filmmaker of successful Asian crossover films, "Hero" and "House of Flying Daggers". The Great Wall will be Lau's first film role in a Hollywood production and his second collaboration with director Zhang. Damon played the same role in the Hollywood remake "The Departed" as Andy Lau in the original Hong Kong crime drama "Infernal Affairs". The film stars Matt Damon, Jing Tian, Pedro Pascal, Willem Dafoe, and Andy Lau."The Great Wall", out in China in December and in the U.S. next February demonstrates Yimou's stylistic trademarks of martial arts and saturated filters, and is centered around the mysterious origin of the Great Wall of China and what the wall's original purpose was China's strict censorship laws have prevented many Hollywood films from being released in mainland China. To counter that, American studios are now co-producing big budget blockbusters with Chinese investors. Co-produced films in recent years included "Star Trek Beyond", "Mission Impossible - Rogue Nation", "Pacific Rim", "Kung Fu Panda 3", "Iron Man 3" and "Looper".