LONDONDERRY, NORTHERN IRELAND - MARCH 16:   Visitors and participants visit the Temple by renowned Burning Man artist David Best on March 16, 2015 in Londonderry, Northern Ireland. Members of the public will be able to use the Temple as a space for contemplation and remembrance, and to leave mementos, messages and photographs in its interior. Following this period, Temple and its contents will be ceremonially torched in a ceremony at dusk on Saturday March 21st. (Photo by Charles McQuillan/Getty Images).