Yemen's Houthi loyalists chant slogans during a tribal gathering in Sana'a on February 20, 2020. Tens of Houthi followers participated in a tribal gathering in Sana'a supporting forces of the army and popular committees in the recent advances in battles against forces of the Saudi-backed government of Abd Rabbu Mansour Hadi. (Photo by Mohammed Hamoud/NurPhoto via Getty Images)
