Many People moved to Treasure Hill village from other areas since 1970s, and thus the houses sprang up like mushrooms, the village rapidly grew. This raised controversy over issues of whether to preserve or relocate the village over decades. After a series of protests by the residents and social movement groups, Taipei City government eventually agreed to name Treasure Hill village as a historical settlement and preserved its unique environment.

Sundial of Being explores the concept of time by using the medium of light. As a light designer, Chuang combines laser beam and light-storing material, which are both commonly used at stage performance. The laser beam depicts the trace of light in the house while the light-storing material captures the trace of light on the wall. As the light fades and time goes by, audiences seemingly used to live here.

The shimmer on the wall symbolizes the sign left by light in the daily living space as time passing by. Even though it may seem unorganized, Sundial of Being is like photographic developer, recording and representing the uniqueness of Treasure Hill village of bygone days.