From classic green-screen technologies to the creation of full artificial intelligence systems, the last 30 years have seen a revolution in visual effects – and made these thrilling movie moments possible.

In order to produce Hollywood effects, there’s no question you need advanced software, special skills, a lot of time and imagination. Here’s a collection of 13 movie scenes before and after applying special effects.

#1

Maleficient (2014)

Maleficient (2014) | Stars:Angelina Jolie, Elle Fanning, Sharlto Copley
Maleficient (2014) | Stars:Angelina Jolie, Elle Fanning, Sharlto Copley
#2

X-Men: Days of Future Past (2014

X-Men: Days of Future Past (2014) | Stars: Patrick Stewart, Ian McKellen, Hugh Jackman
X-Men: Days of Future Past (2014) | Stars: Patrick Stewart, Ian McKellen, Hugh Jackman
#3

300: Rise of an Empire (2014)

300: Rise of an Empire (2014) | Stars: Sullivan Stapleton, Eva Green, Lena Headey
300: Rise of an Empire (2014) | Stars: Sullivan Stapleton, Eva Green, Lena Headey
#4

Alice in Wonderland (2010)

Alice in Wonderland (2010) | Stars: Mia Wasikowska, Johnny Depp, Helena Bonham Carter
Alice in Wonderland (2010) | Stars: Mia Wasikowska, Johnny Depp, Helena Bonham Carter
#5

Avatar (2009)

Avatar (2009) | Stars: Sam Worthington, Zoe Saldana, Sigourney Weaver
Avatar (2009) | Stars: Sam Worthington, Zoe Saldana, Sigourney Weaver
#6

Game of Thrones

Game of Thrones | Stars: Emilia Clarke, Peter Dinklage, Kit Harington
Game of Thrones | Stars: Emilia Clarke, Peter Dinklage, Kit Harington
#7

Grey's Anatomy

Grey's Anatomy | Stars: Ellen Pompeo, Justin Chambers, Chandra Wilson
Grey's Anatomy | Stars: Ellen Pompeo, Justin Chambers, Chandra Wilson
#8

Iron Man

Iron Man | Stars: Robert Downey Jr., Guy Pearce, Gwyneth Paltrow
Iron Man | Stars: Robert Downey Jr., Guy Pearce, Gwyneth Paltrow
#9

Life of Pi (2012)

Life of Pi (2012) | Stars: Suraj Sharma, Irrfan Khan, Adil Hussain
Life of Pi (2012) | Stars: Suraj Sharma, Irrfan Khan, Adil Hussain
#10

The Great Gatsby (2013)

The Great Gatsby (2013) | Stars: Leonardo DiCaprio, Carey Mulligan, Joel Edgerton
The Great Gatsby (2013) | Stars: Leonardo DiCaprio, Carey Mulligan, Joel Edgerton
#11

The Hobbit

The Hobbit | Stars: Martin Freeman, Ian McKellen, Richard Armitage
The Hobbit | Stars: Martin Freeman, Ian McKellen, Richard Armitage
#12

The Hunger Games (2012)

The Hunger Games (2012) | Stars: Jennifer Lawrence, Josh Hutcherson, Liam Hemsworth
The Hunger Games (2012) | Stars: Jennifer Lawrence, Josh Hutcherson, Liam Hemsworth
#13

The Walking Dead (2010)

The Walking Dead (2010) | Stars: Andrew Lincoln, Norman Reedus, Melissa McBride
The Walking Dead (2010) | Stars: Andrew Lincoln, Norman Reedus, Melissa McBride

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