2019年3月30日，未知城市：中国当代建筑装置影像展开展，展览以谱系化的空间思想实验方式，从多领域和多视角，来探讨城市本体哲学的未知性，同时也探索城市未来状态的可能性。TAO的作品“引力城市（grav-ity）”参与了本次展览。

On March 30, 2019, Unknown City -2019 China Contemporary Architecture Installation Art Exhibition is opened. The exhibition explores the unknown state of urban ontology philosophy in various domains and views, and also seeks the possibility of future state of the city. TAO’s project Grav-ity participates in the exhibition.