Arch-ololgy proposes mental healing pavilions in the dense setting of Hong Kong. Using urban and accessible transition spaces the project looks at the spatial embodiment of spatial and sensorial treatment plans to help alleviate anxiety, stress and mental illnesses commonly found in the city. The pavilions link the experience of spaces and metal stimulus together. The site – Ladder street – focuses on colour as meditation elements. It allows a long vision to get user a sense of perspective with color for mental capaci- ty in terms of contemplation and reflection.