As a popular culture, movies are an inseparable part of people's lives. Entering the 21st century, the film industry has undergone tremendous changes and development. Since 2000, the film industry has produced multiple blockbusters. These films not only achieved success at the box office, but also received praise from audiences and film critics. At my sister, I will take you to see the most successful movies of the 21st century to this day, and why these movies have become classics. 1. Avatar (Avatar, 2009) Avatar director James Cameron is a science fiction work that tells the story of extraterrestrial planets and explores themes of environmental protection and cultural diversity. This film not only achieved great success at the box office, becoming the largest film of its time, but also won unanimous praise from audiences and critics for its stunning visual effects and intricate plot. The success of 'Avatar' has sparked people's enthusiasm for 3D technology and cinema technology, while also raising awareness of environmental issues. 2. 'The Lord of the Rings: The Return of the King' (Lord of the Rings: The Return of the King, 2003) The "Lord of the Rings" series directed by Peter Jackson has become one of the most classic films of the 21st century, with spectacular scenes and profound character portrayals. The third film, "The Lord of the Rings: The Return of the King," was released in 2003 and won 11 Oscars for Best Picture, Best Director, and Best Adapted Screenplay. The film showcases the power of friendship, loyalty, and trust, as well as the beauty and magical beauty of the Middle Earth world. 3. Batman: The Dark Knight (Dark Knight, 2008) Christopher Nolan's Batman: The Dark Knight is a modern classic with intricate plots, fascinating themes and brilliant performances. This movie features Batman as the protagonist and tells the story of Gotham City, which is full of crime and chaos. Heath Ledger's performance is one of the highlights of the film. He plays a crazy clown, adding atmosphere and depth to the film. The success of Batman: The Dark Knight is due to its profound exploration of morality and justice, as well as its critical reflection on modern society. Transformers 4. "Crazy Animal City" (Crazy Animal City, 2016) Crazy Animal City "is an animated film from Disney Animation Studios that makes people laugh and laugh. This movie tells the adventure of a rabbit and a fox, and explores racial and social issues. Crazy Animal City not only achieved huge box office success, but also received unanimous praise from audiences and film critics, and won the Best Animated Film Oscar in 2017. 5. 'City of Love' (released in 2016) This romantic musical is famous for its soothing music and beautiful visual effects. It tells the story of a couple chasing their dreams in Los Angeles, while also exploring modern attitudes towards art and romance. This movie has won multiple Oscars, including Best Director and Best Actress. 6. "Journey to the Dream Hunt" (Coco, 2017) From Pixar《 Mainstream The Professor Wolfwalkers Sling Blade