Peng Liyuan (3rd R), wife of Chinese President Xi Jinping, and Australian Prime Minister Tony Abbott's wife Margaret (4th R, front) visit the Lone Pine Koala Sanctuary with spouses of other G20 leaders in Brisbane, Australia, Nov. 15, 2014. (Xinhua/Rao Aimin)

Peng Liyuan (2nd R), wife of Chinese President Xi Jinping, and Australian Prime Minister Tony Abbott's wife Margaret (1st R) visit the Lone Pine Koala Sanctuary with spouses of other G20 leaders in Brisbane, Australia, Nov. 15, 2014. (Xinhua/Rao Aimin)

Peng Liyuan (front), wife of Chinese President Xi Jinping, holds a koala during a visit to the Lone Pine Koala Sanctuary with spouses of other G20 leaders in Brisbane, Australia, Nov. 15, 2014. (Xinhua/Rao Aimin)

Peng Liyuan (front), wife of Chinese President Xi Jinping, feeds a kangaroo during a visit to the Lone Pine Koala Sanctuary with spouses of other G20 leaders in Brisbane, Australia, Nov. 15, 2014. (Xinhua/Rao Aimin)