posted by vimal .
1.the flame of the candle or other burning matter always towards upward direction.why?
2.when the photos is taking by looking to the camera and later when the photo printed, why the photo always seems to look at the direction wherever we move around to it?
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For the first question, here is a GOOGLE Search:
2. Could you please restate this question? Sorry, but I do not understand "looking to the camera" and "seems to look at the direction wherever we move around to it?"