What we know: Arguably, the superstars of the zoo, giant pandas Lun Lun, Yang Yang, Ya Lun, and Xi Lun were sent back to China in October. They had been here in Atlanta on loan from the Chinese ...

Zoo Atlanta is working to establish a new agreement with China to bring back giant pandas, following the return of Lun Lun, Yang Yang, Ya Lun, and Xi Lun to China in October.