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引用:

Originally posted by robertchan at 2007-1-3 23:28:

仲有一個玄機......:smile1:
有技師將房內燈光調暗至某程度，於是，從門外透過房門玻璃是看不到房內的。這是因為折射關系，門口玻璃會因房內光線較暗，致使向門口之一面變成鏡子一般，將門外光線 ...

:th_up:that is a very good idea.....!!!!!:th_up: