Feast your eyes on the winners of the Sony World Photography Awards 2015. The winners -- who take home prizes up to $30,000 -- were chosen from a record-breaking 183,737 images submitted from 171 countries. The awards bills itself as the "world's biggest photography competition" and 200 images by prizewinners and entrants will be on show at Somerset House, London, until 10 May.
CNN correspondent Will Ripley and photojournalist Brad Olson traveled to North Korea after the regime offered them a surprise invitation to return to one of the most mysterious countries on earth. They weren't sure why the invitation was offered, what to expect, or even how long they'd be there. Check out the pictures they've taken to document their journey.