Activists projected a video onto the façade of a Tesla factory in Berlin, Germany, depicting Elon Musk making a gesture that has been interpreted by some as a Nazi salute. The image showed Musk next to the word "Heil,

The "Sieg Heil" heard 'round the world has made its way to Germany, where activists are using that infamous image to protest Tesla's Gigafactory.

The British campaign group "Led By Donkeys" has claimed responsibility for the stunt that authorities say may have breached German laws on the use of symbols linked to illegal organizations.