World rings in 2020 People celebrate the arrival of the year 2020 at a New Year's Eve countdown event near the 2022 Beijing Winter Olympic headquarters in Beijing, Wednesday, Jan. 1, 2020. Revellers around the globe are bidding farewell to a decade that will be remembered by many for the rise of social media, the Arab Spring, the #MeToo movement and, of course, President Donald Trump. (Ng Han Guan/AP)