Back in the day, filmmakers used matte paintings, miniature models and trick photography to achieve impossible looking cinematic effects. Today, Hollywood has nearly perfected the art and application of computer-generated imagery (CGI) in movies and TV shows. In fact, most film scenes that you think are filmed in spectacular locations are actually CGI composites shot in a studio. Here’s a list of 46 before-and-after CGI images that’ll leave you amazed.

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The Avengers

Avengers: Before and after green screen + CGI (1) Avengers: Before and after green screen + CGI (2) Avengers: Before and after green screen + CGI (3) Avengers: Before and after green screen + CGI (4) Avengers: Before and after green screen + CGI (5)