As the year comes to a close, it’s time to take a look back at some of the most memorable events and images of 2016. Among the events covered in this essay (the first of a three-part photo summary of the year): earthquakes in Ecuador and Taiwan, the passing of entertainers David Bowie and Prince, a total solar eclipse in March, the Zika virus in Brazil, and much more. See also, the Top 25 News Photos of 2016, and, coming tomorrow the Year in Photos, Part 2, and on Thursday, Part 3. The series will comprise 120 images in all. Warning, some of the photos may contain graphic or objectionable content.