CopenHill, also known as Amager Bakke, is a waste-to-energy plant located in Copenhagen, Denmark. It converts waste into energy while also serving as a recreational space. The facility features a unique design that includes a ski slope on its roof, making it a popular destination for both locals and tourists. In addition to skiing, CopenHill offers hiking trails and a climbing wall, promoting outdoor activities in an urban setting. The plant is an example of sustainable architecture, showcasing how industrial facilities can integrate with community spaces while addressing environmental concerns.