Visitors look at the panda Yuan Zi, male partner of Huan Huan, in ZooParc de Beauval in Saint-Aignan, France on Aug. 4, 2017. The giant female panda Huan Huan, which is on loan to France from China, will give birth to the twins under the watchful eye of two Chinese birthing specialists on either Aug. 4 or 5. (Xinhua/Chen Yichen)
