Watch An Extended Animated Clip For SNOWPIERCER

How did the world end in Bong Joon-ho's highly anticipated post-apocalyptic sci-fi thriller Snowpiercer? An extended animated clip has been release, providing the backstory on how the catastrophic ice age began and depicts the first departure of the train following the tragic events that ensues as the people desperately fought each other over the only safe refuge.

Based on the French graphic novel Le Transperceneige, by Jacques Lob and Jean-Marc Rochette, the film marks Bong's English-language debut with a cast that includes Chris Evans, Song Kang-ho, Ko A-sung, Tilda Swinton, Jamie Bell, Octavia Spencer, Ewen Bremner, Alison Pill, John Hurt and Ed Harris.

Snowpiercer is set in a future where, after a failed experiment to stop global warming, an Ice Age kills off all life on the planet except for the inhabitants of the Snowpiercer, a train that travels around the globe and is powered by asacred perpetual-motion engine. A class system evolves on the train but a revolution brews.

The theatrical release date in South Korea is August 1st. You'll find the 4-minute animated clip (English subtitles included) embedded below.