半田計劃
2005年，永康街20號倉庫，台灣臺北
In 2004, I conceived the idea of the” Half-Field Plan “. The works were exhibited from Taiwan, then to Macao, Italy, Hong Kong, etc., and gradually embodied and evolved their works.
After a preliminary basic idea and drawing on the experience exhibited in Taiwan, I began to think about the formal state of the work to strengthen the social content, to sell urban land planning, redeem the marking line, and to concentrate on the cost of selling land. In order to realize the actual realization of these linear space land.
Cai Guojie, Linear Land Auction Program, Variable Size, Land Title, 2004, Taiwan 
Cai Guojie, Linear Land Auction Program, Variable Size, Land Title, 2004, Taiwan 
Cai Guojie, Linear Land Auction Program, Variable Size, Land Title, 2004, Taiwan
Cai Guojie 