Two circular mirrors, one still, one mobile, are mounted on the floor of the Martin-Gropius-Bau's atrium.

两面圆形的镜子，一面静止，一面可以移动，二者都被固定在马丁·格鲁·皮乌斯博物馆的中庭。

youdao

Two circular mirrors, one still, one mobile, are mounted on the floor of the Martin-Gropius-Bau's atrium.

两面圆形的镜子，一面静止，一面可以移动，二者都被固定在马丁·格鲁·皮乌斯博物馆的中庭。

youdao