Laser lights are to be fitted to bikes in London's cycle hire scheme to make them more noticeable.
The green beam in the shape of a bicycle shines on to the road 6m (19ft) in front of the cyclist.
It aims to increase cyclists' safety by making them much more visible and to overcome drivers' blind spots.
After a successful trial in September, the Blaze Laserlights are being fitted to all 11,500 hire bikes from early this year.
London Mayor Boris Johnson said: "We're always looking to develop new and innovative ways to help people cycle around the capital more safely and these green lights will help all our cycle hire users to stay seen at night."
source: BBC News