Yet despite its immense popularity, this essentially illegal activity continues to evolve at the periphery of the contemporary art world, its origins and evolution little-known to the general public.

• 然而，尽管有其巨大的人气，这主要是非法活动的不断发展在外围的当代艺术世界，它的起源和演化鲜为人知的向一般公众。