The effect used in these photos is called Chroma keying. It’s a post-production technique in which images or video streams are layered together based on their colour hues. It is a go-to-effect used by Hollywood movies and TV.
Damn Cool Pictures acknowledges that though we try to report accurately, we cannot verify the absolute facts of everything posted. Postings may contain fact, speculation or rumor. We find images from the Web that are believed to belong in the public domain. If any stories or images that appear on the site are in violation of copyright law, please email [email@example.com] and we will remove the offending information as soon as possible.