A month before Christmas, Londoners had switched on the Christmas lights in the city center. But what makes the lights in Carnaby Street this year so special? The lights are made of recycled materials. /VCG Photo

In cooperation with Project Zero, the event organizer created a variety of endangered undersea creatures replicas and hanged them over the street. /VCG Photo

They hope it reminds people that oceans are in urgent need of conservation. /VCG Photo