The wonder of green screen
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Click on the link below to see the all the other examples:
https://digitalsynopsis.com/design/movies-before-after-green-screen-cgi/
The History of Visual Effects (VFX)
Hollywood's history of 'faking it' from Filmmakers IQ
please click on link below:
http://filmmakeriq.com/lessons/hollywoods-history-of-faking-it-the-evolution-of-greenscreen-compositing/
Mattes and paintings for 'The Wizard of Oz' and others
please click on the link below:
http://nzpetesmatteshot.blogspot.co.uk/2011_10_01_archive.html