With its traffic-clogged streets and polluted air it may seem like an unlikely choice, but the bustling metropolis of London is set to become the world's first National Park City.
원문출처 : https://www.cnn.com/2018/11/28/world/london-national-park-city/index.html
원문출처 : https://www.cnn.com/2018/11/28/world/london-national-park-city/index.html