European mercenaries searching for black powder become embroiled in the defense of the Great Wall of China against a horde of monstrous creatures. The first English-language production for Chang Yimou ("Hero," "House of Flying Daggers") is the largest film ever shot entirely in China. Vitals: Director: Chang Yimou. Stars: Matt Damon, Jing Tian, Pedro Pascal, Willem Dafoe, Andy Lau. 2017, CC, MPAA rating: PG-13, 103 min., Action Adventure, Box office gross: $43.836 million, Universal. Extras: Deleted and extended scenes, "Matt Damon in China," "Working With Director Chang Yimou," "The Great Wall Visual Effects," "Man vs. Monster," "Weapons of War," "Designing a Spectacular World."