EDINBURGH, SCOTLAND – AUGUST 01: Performer Cal Harris from Elixir circus poses at Camera Obscura & World of Illusions, Edinburgh on August 1, 2017 in Edinburgh, Scotland. Circus act Elixir mark their return to Underbellys Circus Hub at the Fringe with the Australian production telling the story of three enthusiastic, slightly bumbling yet skillfully acrobatic scientists who attempt to create the elixir of life. (Photo by Jeff J Mitchell/Getty Images)