Only beeps from medical monitoring equipment broke the silence as veterinarians harvested eggs from the last two northern white rhinos on the planet.
원문출처 : https://www.cnn.com/2019/08/23/world/northern-white-rhino-eggs-scn-trnd/index.html
원문출처 : https://www.cnn.com/2019/08/23/world/northern-white-rhino-eggs-scn-trnd/index.html