There is a particular sound a queen bee makes when she is preparing to summon her troops into a swarm and head out for new horizons.
원문출처 : https://www.cnn.com/2019/02/20/africa/honeyflow-africa-bees-intl/index.html
원문출처 : https://www.cnn.com/2019/02/20/africa/honeyflow-africa-bees-intl/index.html