translation.en: And so I made a counter-proposal: I said, "No building." There was a cave on the site; we tunnel into the hill, descend through the rock into an underground chamber.
translation.zh: 所以我做了一个相反的计划。 我说，不要建筑；因为那里有个洞穴，我们挖隧道进去， 顺着岩石一直到地下的展室。