Hollywood blockbusters have become increasingly reliant on visual 
effects over the past few decades, and recent advances in technology 
have made it so feats in VFX work that were considered impossible just a
 few years ago are now well within reach. More and more studios are 
using CGI in films, mostly because it's often cheaper than the 
alternative. In fact, many modern blockbusters are covered in so many 
digital layers that the original footage looks unrecognizable—and more 
often than not, completely ridiculous. Here's what these movies really 
looked like before special effects were added...
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