Upfacting on Instagram: "Greenscreen technology lets filmmakers place actors into any setting without being on location. Performers act in front of a bright green backdrop, which is later removed and replaced with digital environments through a process called chroma keying. To make the final shot believable, the crew matches lighting, angles, and shadows so the actors blend naturally with the background. In post-production, live footage and CGI elements are combined to build scenes that would be