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 2:19 Washington Spirit fans gather for the NWSL championship game 2:26 Mural unveiled for former DC Mayor Marion Barry 0:31 Alcohol may be a factor in deadly crash in Loudoun County 22:05 Alleged murder-for-hire in Virginia: The News4 Rundown 0:44 DC Zookeepers learn more about giant pandas' personalities