Stunning photos have revealed incredible secrets of the underwater world, with the winners of the 2018 Underwater Photographer of the Year award announced. German photographer Tobias Friedrich has been named Underwater Photographer of the Year 2018. More than 5,000 images were submitted this year by photographers from around the world. UPY was once again kind enough to share some of this year's honourees with us below, with captions written by the photographers.

Thanks to a well-sorted chassis and Renault's motor, the car induces confidence in the driver to take it for a faster spin

Interstellar is an incredible ride, a film that will scare and stupefy and drop jaws and make us weep, the kind of film that makes our hearts thump against our ribs for forty straight-minutes and makes us believe in the glory of the movies.

G. Clotaire Rapaille has guided Chrysler, Procter Gamble, Boeing, and other enraptured clients through the "collective unconscious" of dozens of cultures. Now he's taking on India. Is he a sage--or a charlatan?