Before the pandemic, Hong Kong was an aviation hub attracting pilots from around the world.
원문출처 : https://www.cnn.com/2021/12/10/business/hong-kong-covid-quarantine-pilots-intl-hnk/index.html
원문출처 : https://www.cnn.com/2021/12/10/business/hong-kong-covid-quarantine-pilots-intl-hnk/index.html