Part of this teaser you're about to watch is live-action. Other parts are generated by an all-new bleeding-edge graphics engine. And, even if you can tell what's been recorded in reality and what's generated by software, you have to admit that the border between the two looks like it's dissolving.
Polish company Better Reality, who do effects work for advertisers and Hollywood, have developed a piece of technology called Thorskan. It's designed to scan real environments then recreate them in 3D. And the effects are impressive.