Are they elaborate pranks, stunning works of art, or even messages from beyond? We explore their origins, the science behind their creation, and dive into the captivating theories.See photos that we reference on our Instagram or Facebook

--- Send in a voice message: https://podcasters.spotify.com/pod/show/tangentpodcast/messageSupport this podcast: https://podcasters.spotify.com/pod/show/tangentpodcast/support