National Zoo July 22, 2022 12:11 pm National Zoo Keeps Panda Mei Xiang Cool on Her Birthday The panda got to celebrate with an ice cake, and visitors were staying cool with misting devices. News4’s Megan McGrath reports. Local 2:07 Elementary school community celebrates playground restoration in Silver Spring 2:10 Prince George's County considers stop sign cameras for safer school zones 2:30 Howard University celebrates 100th anniversary homecoming 3:29 DC mayor to present Darrell Green with key to the city 1:35 Marine Corps veteran prepares for marathon