Panda twins meet the public at Chongqing Zoo in southwest China's Chongqing, Sept. 17, 2021. The zoo is inviting the public to give names for the twin male cubs that were born on June 10 this year. The mother, Mangzai, was born in 2011 and gave birth for the first time in 2019 -- to two female cubs. It is the second time Mangzai has given birth to twins. (Xinhua/Tang Yi)
