They're open because they ask the audience to be a player, a protagonist, a partner, rather than a passive spectator, and they're open because they know that imagination cannot be contained in buildings, and so much of the work they do is site-specific or outdoor work.
它们之所以开放是因为它们邀请观众 当演员，主角，合作伙伴，而不是做一个被动的围观者 它们之所以开放是因为它们认识到 想象不能被约束于高宇之内 因此它们的表演 大多安排在特殊的场地或户外