Mirror ( 哪一種鏡子? )

Emperor Taizong of Tang says, "With a bronze mirror, one can see whether he is properly attired; with history as a mirror, one can understand the rise and fall of a nation; with men as a mirror, one can see whether he is right or wrong." Then....... what is a mirror facing a toilet referring to?

唐太宗言，"夫以銅為鏡，可以正衣冠；以古為鏡，可以知興替；以人為鏡，可以明得失。" 那.......馬桶對著的鏡子又算哪一種?

A Toilet @ Sinchon Hyundai Department Store

Let's have a quick quiz first : How many sides of this washroom are mirror walls?  

我們先來猜個迷 : 這間廁所有幾面牆是鏡面?

(a) All / 全部

(b) 3 sides / 3面

(c) 2 sides / 2面

(d) 1 side only / 1面而已

(e) non of the above / 以上皆非 

What I am really wondering about is, why the side that the toilet is facing is also covered with mirror? 

其實我真正的問題是，馬桶對著的那面做成鏡面是想幹嘛 ?

I remembered a story from Yoko's book. Seems that not only me who feels there are mirrors everywhere in here. I think, to Korean people, appearance and representation, are really of great concern.

突然想到Yoko的새댁 요코짱의 한국살이(첫 번째 이야기)裡的一個軼事，可見不光我一個人留意到連廁所都可以有鏡子。我想，韓國人確實是很注意形象的。

source: 새댁 요코짱의 한국살이( 첫 번째 이야기 ) p. 50
English captions by me, hehe