Panda cubs make debut to mark start of spring
By HUANG ZHILING in Chengdu |
CHINA DAILY |
Updated: 2021-02-04 07:54
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Male and female pandas were swapped into the dens of the opposite sex so that each would know the smell of the other.
In addition, to get them to move around and be more active, researchers placed biscuits rich in trace elements and vitamins in places the pandas could not find easily.
