This is fog (water vapor) . That is smog. Totally two differen
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• I was wondering,樂家揮沒有說出霧霾時,人們有沒有感覺出咳,喉嚨痛,和臭味呢? -sunshine豬媽- ♀ (0 bytes) () 12/24/2015 postreply 08:41:28
• This is not water vapor. Water vapor is invisible. -StopBy- ♂ (140 bytes) () 12/24/2015 postreply 08:46:14