
Queen Sofia ofSpain(C) holds a giant panda doll during a signing ceremony in Zoo Aquarium in Madrid, Spain, on Feb. 23, 2018. Former Spanish Queen Sofia, accompanied by Chinese Ambassador to Madrid Lyu Fan, on Friday presided over a symbolic signature of an extension agreement between Spain and China over the loan and conservation project of the giant pandas. (Xinhua/Guo Qiuda)

Photo taken on Feb. 23, 2018 shows a giant panda in Zoo Aquarium in Madrid, Spain. Former Spanish Queen Sofia, accompanied by Chinese Ambassador to Madrid Lyu Fan, on Friday presided over a symbolic signature of an extension agreement between Spain and China over the loan and conservation project of the giant pandas. (Xinhua/Guo Qiuda)

Photo taken on Feb. 23, 2018 shows giant pandas in Zoo Aquarium in Madrid, Spain. Former Spanish Queen Sofia, accompanied by Chinese Ambassador to Madrid Lyu Fan, on Friday presided over a symbolic signature of an extension agreement between Spain and China over the loan and conservation project of the giant pandas. (Xinhua/Guo Qiuda)