Redditor fungiside was in the right place at the right time to capture this awesome image of a giant digital billboard during a video calibration test. We’re pretty sure this is a lot more fun to look at than whatever advertisement was subsequently displayed.
"The video is a test to make sure all of the individual panels are working together to make one complete picture. And actually, if you look about a quarter of the way up from the bottom, you will notice a horizontal line going all the way across and breaking the pattern. This is what they are looking for when doing a test like this."