translation.en: The text here is right side and upside down so that you are forced to turn the book around, and you can see it from ground point of view and from her point of view -- looking in the hole, getting a different kind of perspective, moving you around the space. Particularly appropriate in a building that can contain perfectly a sphere dimensions of the diameter being the same as the distance from the center of the floor to the center of the Oculus.
translation.zh: 文字从右起，又是上下颠倒的，你就不得不 把书倒过来，于是你能从地面的角度 和她的角度，望向天孔 这倒是种别样的视角。 这让你在空间中移动。而尤其适合 在一幢正好包含着球体的建筑里， 直径的尺度都和 从地面的中心到天孔的中心的距离相等。