LONDON - MAY 06:  Models from tanning brand St Tropez sunbathe in Kings Cross St Pancras Station to promote Sun Awareness Week on May 6, 2008 in London, United Kingdom. Sun Awareness Week aims to promote safe 'sunless' tanning. Getty Images logo Getty Images 49 months ago

LONDON - MAY 06: Models from tanning brand St Tropez sunbathe in Kings Cross St Pancras Station to promote Sun Awareness Week on May 6, 2008 in London, United Kingdom. Sun Awareness Week aims to promote safe 'sunless' tanning.