During the investigation of the site during this period, I found that the phenomenon of objects relying on subjects in the site was a significant feature. From a macro perspective, the site historically belonged to an agricultural area and was in the process of being gradually occupied by wasteland and industrial buildings as objects. From the microscopic point of view, wild plants grow as objects relying on abandoned artificial facilities. The reason why this phenomenon appears in a large number of sites is that this area is in the process of gradual change, and this phenomenon of object attachment to the subject is defined as parasitism. At the same time, in this site, it is also a concrete embodiment of the historical process of site function change. As can be seen from this chart, the function of the site is changing from agriculture and residence to wasteland and industrial land. And this process is continuing. To build the building on this site, I will use the theme of parasiism ...