By Al Goodman, CNN

By Maureen O'Hare, CNN

By Leah Dolan, CNN

By Todd Symons, Alex Stambaugh, Jessie Yeung and Sana Noor Haq, CNN

By Francesca Street, CNN

By Aaron Cooper and Alexandra Skores, CNN

By Tamara Hardingham-Gill, CNN

By Amarachi Orie and Lisa Klaassen, CNN

By Barbie Latza Nadeau, CNN

By Barbie Latza Nadeau, CNN

By Tamara Hardingham-Gill, CNN

By Forrest Brown, CNN

By Oscar Holland, CNN and Gawon Bae, CNN in Seoul

By Marnie Hunter, CNN

By Forrest Brown, CNN

By Leah Dolan, CNN

By Blane Bachelor, CNN

By Zoe Whitfield, CNN

By Lianne Kolirin, CNN

Jacqui Palumbo, CNN

By Oscar Holland and Will Ripley, CNN

By Lilit Marcus, CNN

By Nell Lewis, CNN

By Joyce Jiang, CNN

By Isabel Rosales and Alexandra Skores, CNN