For Altrecht Acute Psychiatry, location Willem Arntsz Huis in Utrecht, Studio id+ developed, together with Ter Braak Architects, a vision for the renewal of the high intensive care units (HIC). A new approach to acute psychiatry, based on the principles of 'Healing Environment'. The boundaries of the outdoor space also received special attention. The need for greening was our starting point for the design, resulting in a more beautiful environment and increased well-being for the users.