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.
Celtic Blue Rock Community Arts Festival The Celtic Blue Rock Community Arts Festival (known as Blue Rock to locals) is a charity-based festival showcasing local bands, craftsmen and stalls in Llanfyrnach, Wales. From small beginnings in 2004, it has grown to be an annual event attracting 10,000 people.