Don't limit your thinking to taking photos - video also works fine. It's how The Mandalorian is produced. Instead of green screens, the actors are in front of floor-to-ceiling LED screens with live rendered CGI.
In old movies, going back to the 1930s and 40s, back-projection is usually seen when characters are driving in a car, and you can usually spot it. These days, not so much.
In old movies, going back to the 1930s and 40s, back-projection is usually seen when characters are driving in a car, and you can usually spot it. These days, not so much.