Home / Sport / OlympicsOlympics: How swimming has evolvedHerald online12 Aug, 2012 11:26 PMQuick ReadSubscribe to listenAccess to Herald Premium articles require a Premium subscription. Subscribe now to listen.Subscribe nowAlready a subscriber? Sign in hereListening to articles is free for open-access content—explore other articles or learn more about text-to-speech.SaveShareShare this articleCopy LinkEmailFacebookTwitter/XLinkedInRedditAdvertisementAdvertise with NZME.A graphical look at how much swimming at the Olympic Games has changed since 1972.AdvertisementAdvertise with NZME.AdvertisementAdvertise with NZME.SaveShareShare this articleCopy LinkEmailFacebookTwitter/XLinkedInRedditLatest from OlympicsOlympicsTrump snub: Gold-medalist ice-hockey team reject President's invite25 Feb 01:31 AMOlympicsFBI director defends partying with US Olympic ice hockey team23 Feb 07:24 PMOlympicsSix moments that defined a wild and historic Milan-Cortina Winter Olympics22 Feb 06:31 PMSponsoredBacking locals, every day22 Feb 11:00 AMAdvertisementAdvertise with NZME.