25 best movie CGI effects ever

From liquid metal killer robots to the very first CG animal, we take a look at some of the best eye-massaging visuals from the gates of Tinseltown

The Abyss (1989)

The Abyss (1989)

The infamous water snake effect from James Cameron's underwater adventure was created using an early version of Photoshop - then unreleased to the public. The programme was created by Thomas Knoll, brother of ILM employee John Knoll.