United Kingdom June 26, 2017 4:01 pm Fans Gather at King's Cross for Harry Potter's 20th Anniversary Two decades after J.K. Rowling published “Harry Potter and the Philosopher’s Stone,” fans are flocking to King’s Cross station to celebrate the boy wizard and his adventures. US & World Videos 2:03 Does Shakira still believe in love following Gerard Piqué split? 1:36 O.J. Simpson's cause of death revealed 25:57 WATCH: ‘Changing Climate' highlights the Philly-area residents who are combatting climate change 2:36 Super dad makes Mario-themed obstacle course for son's birthday 4:17 How the Philadelphia Union became the sustainability champs of the MLS