HAMBURG, GERMANY - JULY 05: Prostestors dressed-up in grey clothes like Zombies attend an arts performance called '1000 Gestalten' demonstration prior the upcoming G20 summit on July 5, 2017 in Hamburg, northern Germany. In a two-hour show hundreds of actors took part in a creative public appeal for more humanity and self-responsibility ahead of the upcoming G20 summit. The G20 economic summit takes place in Hamburg July 7-8. (Photo by Friedemann Vogel-Pool/Getty Images)