Forces of Nature: ThinkQuest 2000 (Team #C003603)
http://library.thinkquest.org/C003603/english/fogandmist/index.shtml
A low, soft mist spreads across the city. Buildings are enveloped in a dense cloud of smoky haze. Silent and surreal, the fog comes and swallows you. Although not commonly associated with natural disasters, fogs can be deadly. Great Britain, famous for its killer fogs, can attest to the inconvenience and dangers it brings. To find out more about this interesting natural event, click on the links!