Images show cities from around the world shrouded in thick fog, making them almost disappear

http://i.dailymail.co.uk/i/pix/2016/12/28/17/3BAF21C000000578-4071098-City_in_the_sky_The_skyline_of_San_Francisco_blanketed_in_fog_th-a-9_1482947876915.jpg

http://i.dailymail.co.uk/i/pix/2016/12/28/17/3BAF1FE800000578-4071098-Freak_weather_The_Dallas_skyline_gets_a_makeover_as_a_wave_of_fo-a-17_1482947877871.jpg


http://www.dailymail.co.uk/travel/travel_news/article-4071098/When-skyscrapers-swallowed-Dubai-San-Francisco-incredible-images-towering-cities-lost-fog.html