BIG and Berlin-based artist group realities:united envision the city of Copenhagen by 2016 in a new animation which shows a completed Amager Bakke waste-to-energy plant, consolidating Denmark as a world leader in waste-to-energy conversion, allowing Copenhageners to ski near downtown Copenhagen while blowing giant smoke rings for each quarter ton C02 the facility produces to serve as a gentle reminder of the impact of consumption - turning the smokestack traditionally the symbol of the industrial era into a symbol for the future.