Giving a new meaning to 'flash photography', pictures of three Greenwich students posing topless as they travel the globe have started a worldwide craze.

News Shopper: The Topless Tour team in Grimsdalen, Norway

News Shopper: Miami's South Beach by @haleyboyd @katiebeanz @ellenfavale

Olivia Edgington, 20, Lydia Buckler, 21, and Ingvild Marstien Olsen, 20, who all attend Trinity Laban, unleashed their "Topless Tour" while in Norway two years ago.

News Shopper: A shot in Hemsedal, Norway by @Mariaholm89

The women, who describe the fad as "uniting people across the globe to feel the freedom and share their beauty with the world," have stripped in Oslo, Berlin and London, posting pictures of themselves on The Topless Tour Facebook and Instagram sites.

News Shopper: @jannetaise hanging out in Fryatt Valley, Jasper, Canada

And their photos have now inspired women from all over the planet to go bare-chested and share the results.

News Shopper: Three yogis all the way from India

To follow their journey, visit or @the_topless_tour on Twitter.