Which annual gathering that takes place at Black Rock City did Further Future want to change the  "vanish and leave no trace" principles instilled in those who participate in it
Burning Man Burning Man is an annual gathering that takes place at Black Rock City—a temporary city erected in the Black Rock Desert in Nevada. The event is described as an experiment in community and art, influenced by 10 main principles: "radical" inclusion, self-reliance, and self-expression, as well as community cooperation, civic responsibility, gifting, decommodification, participation, immediacy, and leaving no trace.
Rock the Park Rock the Park, formerly known as Hawk Rocks the Park, is an annual music concert held at Harris Park in London, Ontario, Canada. From 2004 to 2008 it was primarily a classic rock concert sponsored by radio station "103.9 The Hawk". In 2010, the three-day concert was sponsored by three radio stations: 98.1 Free FM, FM96 and country music station BX93.