A female red-necked wallaby carries her baby at the Temaiken Biopark in Escobar city, 50 km from Buenos Aires, capital of Argentina, on July 27, 2016. (Xinhua/Martin Zabala)
A female red-necked wallaby carries her baby at the Temaiken Biopark in Escobar city, 50 km from Buenos Aires, capital of Argentina, on July 27, 2016. (Xinhua/Martin Zabala)