In fascinating new footage, freediver Johanna Nordblab, who lives on Lauttasaari island in Helsinki, Finland, is followed as she plunges beneath a hole in a frozen lake and enters a world both beautiful and haunting in equal measure (pictured)
Some Chinese drivers are declaring war on tailgating vehicles with their high-beams on. The newest weapons in this road conflict are freakishly scary reflective decals, that are only visible when the driver behind activates his blinding headlamps.
UK year in pictures 2017
Saffiyah Khan (left) faces down English Defence League (EDL) protester Ian Crossland during a demonstration in the city of Birmingham, in the wake of the Westminster terror attack.