Penthouse bedroom in the Z58 Building, Shanghai, designed for a lighting products company by Japanese architect Kengo Kuma. It features an electrically-operated louvred ceiling below a glass roof to control the daylight, and wooden plinth for the bed...The building is a four-storey comprehensive conversion of an existing warehouse, with extensive use of glass, and a facade covered in polished steel trays containg plants. The penthouse suites are for visiting clients, this floor being also surrounded by a shallow moat. .