Before: we see a green screen and a boom mic
special effects
In the entertainment industry special effects and computer generated (CGI) is a useful tool and this techniques is so improved day by day. In most of movies and television shows CGI is very useful the viewers can’t even tell what’s real and what’s not. Look at these before and after scenes from the movies.

After: a cruise ship on the ocean
special effects

Before: actor Andrew Lincoln riding a horse in a parking lot
special effects

After: Rick Grimes riding a horse into Atlanta
special effects

Before: a small soccer field
special effects

After: a giant World Cup stadium
special effects

Before: a private entrance into a house
special effects

After: a private entrance that leads up to a mansion
special effects

Before: tables in front of a green screen
special effects

After: a bustling restaurant
special effects

Before: two actors posing in front of a screen
special effects

After: a scene in the middle of a city
special effects

Before: a helicopter body in a parking lot
special effects

After: the remnants of an apocalypse
special effects