By Pete Muntean and Gregory Wallace, CNN
By Tamara Hardingham-Gill, CNN
By Sarah Dewberry and Christina Maxouris, CNN
By Leah Dolan, CNN
By Lianne Kolirin, CNN
By Jacqui Palumbo, CNN
By Zoe Whitfield, CNN
By Christy Choi, CNN and Reuters
By Maggie Hiufu Wong, CNN
By Zoe Sottile, CNN
By Chris Liakos, CNN
By Blane Bachelor, CNN
By Karla Cripps, CNN
By Maria Kostenko, Victoria Butenko and Lianne Kolirin, CNN
By Christy Choi and Sam Fossum, CNN
By Jacopo Prisco, CNN
By Forrest Brown, CNN
By Gregory Wallace and Pete Muntean, CNN
By Issy Ronald, CNN
By Claudia Ramos, CNN
By Regan Stephens, CNN
Words by Jane Sit, videos by Kevin Broad, CNN
By Barbie Latza Nadeau, CNN