An interactive guide to the lungs and how smoking affects them over a certain time period. Lovely One Page campaign this to bring awareness to the danger of smoking cigarettes, great job.
This website has unfortunately been redesigned or gone offline, so I have removed the direct link to it. The screenshot below hopefully preserved enough of the design but if you are really keen to inspect further, try this Archive.org link. FYI: the site was first featured on 11 November 2013.