What it looks like when 2,000 angry people protest as holograms

Upset over a so-called "gag law" in Spain, activists in Madrid took to the streets—in hologram form. Opponents of the Spanish Citizens Security Law, which would make it illegal to burn the national flag and protest outside parliament starting July 1, set up a hologram protest in front of a parliamentary building in the country's capital Friday night The rally looked and sounded like a traditional demonstration—marchers toted signs and chanted— only the throngs of people weren't physically ...