AUCKLAND, NEW ZEALAND – OCTOBER 20: Auckland Mayor Phil Goff announces a special postage stamp to mark the 150th Birth anniversary of Mahatma Gandhi during the 17th Auckland Diwali Festival on October 20, 2018 in Auckland, New Zealand. Auckland Diwali Festival is one of Auckland’s biggest and most colourful cultural festival, celebrating traditional and contemporary Indian culture. (Photo by Dave Simpson/WireImage)