Like American science fiction movies? Those sci-fi blockbusters of theirs were all shot by the palm of their hands? Is it made by computer?

Nowadays, science fiction movies mainly rely on computer technology and CG technology. Now there are many special post-production teams in Hollywood, such as Industrial Light Magic. A successful film often requires months or even a year of post-production, and the works are also permeated with the hard work of scientific and technological personnel. The cost of these teams also accounts for a large part of the cost of a film, mainly including a large number of hardware equipment (computer-related), various large-scale software, personnel input and so on. In recent years, some so-called blockbusters, including the The Lord of the Rings trilogy and Transformers, have spent tens of millions of dollars to make computers at each step. Some special effects scenes in movies are often recorded on the set first, and then made by computer. Of course, many movies will spend a lot of money to restore some scenes in order to pay attention to reality. For example, the Twin Towers in "The Lord of the Rings" were built in New Zealand, and some walls that are also common in China costume films are also easy to build in some film and television bases. I heard that the scene of the first step of Transformers, the bumblebee transformation, was filmed for a year. The above is my humble opinion.