The video you are about to witness is a live camera recording of a live projection-mapping performance. Meaning, no special effects or CGI were used in this video, amazing.
Lots of people think using a layer mask is only for the advanced Gimp users, fortunately this isn't the case at all. Let me explain you the basic usage of layer mask on a easy to follow step-by-step example.
This is huge, Discovery channel announced that they recorded the first ever video footage of a giant squid in its natural habitat and it will go on air in less than a week. Here is a part of that footage.
There are tons of dashboard cam videos capturing the nasty accidents, road rage and reckless driving on Russian roads. Not this time, enjoy the positive moments and try acting the same.