By CNN staff

AJ Willingham, CNN

By Leyla Santiago, Jaide Timm-Garcia, Hannah Sarisohn and Alaa Elassar, CNN

Sophie Tanno and Lauren Said-Moorhouse, CNN

Radina Gigova, Yulia Kesaieva and Sophie Tanno, CNN

Angus Watson, CNN

Jacqui Palumbo, CNN

Leah Asmelash, CNN

Julia Buckley, CNN

Faith Karimi, CNN

By Karla Cripps, CNN

Yasmeen E. Awaja, CNN

By Issy Ronald, CNN

By Hafsa Khalil, CNN

By Lilit Marcus, CNN

By Forrest Brown, CNN

Jacqui Palumbo, CNN

By Jack Guy, CNN

Julia Buckley, CNN

Feride Yalav-Heckeroth, CNN

By Marnie Hunter, CNN

Joseph Ataman, Marguerite Lacroix and Saskya Vandoorne, CNN

Faith Karimi, CNN

By Marnie Hunter, CNN

By Forrest Brown, CNN