translation.en: That solid wall behind it is a pipe chase -- a pipe canyon -- and so it was an opportunity that I seized, because I didn't have to have any protruding ducts or vents or things in this form.
translation.zh: 后面的实墙是一个管道槽 -- 管道峡谷 所以我抓住了这个机会 因为这个形式不需要任何突出的管子或者开口