SANA'A, YEMEN - FEBRUARY 07: Houthi followers are seen at the shrine of the Houthi group's president Saleh al-Sammad, who was killed in an airstrike during the ongoing war, on February 07, 2021. The U.S. newly elected president Joe Biden's administration plans to revoke the terrorist designations on Yemen’s Houthi group that were put in place in the final months of the Trump administration. (Photo by Mohammed Hamoud/Getty Images)