Smog, London. 霧霾, 倫敦

Fog, smog, pea soupers and the Saharan dust storm: What are they and how dangerous can they be? - Home News - UK - The Independent
http://www.independent.co.uk/news/uk/home-news/fog-smog-pea-soupers-and-the-saharan-dust-stormwhat-is-it-and-how-dangerous-can-it-be-9233100.html

Charlie Bibby/FT
Smog hangs over London
Two men in green costumes stand out of the crowd on Millennium Bridge in London on Wednesday, as smog shrouded the UK capital. Air quality was unusually bad as Saharan dust drove up pollution levels
FT Photo Diary | The Financial Times picture desk showcases the best images from around the world
http://blogs.ft.com/photo-diary/
感謝您的光臨 "est100 一些攝影", (非營利, 沒刊登廣告) . Thank you for visiting  "est100 some photos" , (non-profit , No Advertising).  ( okok ten times "1" ) http://okok1111111111.blogspot.tw/
est100 一些攝影 4 (非營利, 沒刊登廣告) 健康, 知識.   est100  some photos - 4 Health,  Knowledge  (non-profit , No Advertising) http://okok987654321.blogspot.tw/