In the future, a science fiction style with realistic and detailed depiction, a wide-angle shot looking down, showcasing a vast and impressive scene. Inside a massive factory, the interior space is tall and spacious, filled with complex and precise industrial equipment. Many tiny workers, like ants, are busy, along with people-shaped auxiliary robots of various sizes and shapes. Dozens of mechs, each 30 meters tall and in different colors and models, are in the process of production.