By MICHAEL HANLON

Last updated at 08:52 08 August 2007

To the human eye, a garden in bloom is a riot of colour. Flowers jostle for our attention, utilising just about every colour of the rainbow.

But of course, it is not our attention they need to attract, but that of insects, the perfect pollinating agents.

And as these remarkable pictures show, there is more to many flowers than meets the eye - the human eye at least. Many species, including bees, can see a broader spectrum of light than we can, opening up a whole new world.

The images, taken by Norwegian scientist-cameraman Bjorn Roslett, present a series of flowers in both natural and ultraviolet light, revealing an insect's eye view.

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Ultraviolet light, invisible to us, uncovers colours and patterns which drawthem to the source of pollen and nectar - all hidden to humans without special equipment.

This secret colour world was discovered in the Fifties and scientists realised that these distinct patterns were designed to act as "landing strips" or arrows, guiding the insects to the right spot.

Because we cannot see UV light, the colours in these photographs are representational, but the patterns are real.

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