Many of us have seen a lot of advertisements and films which are shot with stories of fantasies and modern stories. These visuals are created by experts with software applications designed to make them look appealing to the viewer. These effects are known by the term visual effects or VFX.It involves adding realistic imagery to live shots of films. The actors wear special costumes and props which are shot with and the other effects are added in the post production of the video. Visual effects are used to create scenes and pictures which cannot be taken normally. For example, a video contains a man fighting a lion. The lion is man dressed in special dresses and props which is then turned into a lion in post production by the editors.