Prince William has criticized billionaires who are focused on space tourism, saying they should instead be investing more time and money in saving Earth.
원문출처 : https://www.cnn.com/2021/10/14/business/prince-william-space-tourism-intl-scli/index.html
원문출처 : https://www.cnn.com/2021/10/14/business/prince-william-space-tourism-intl-scli/index.html