Below the mountains that overlook Hong Kong's financial district, drainage engineer Alex Lau is ankle-deep in water flowing into a giant tunnel almost twice the height of a double-decker bus.
원문출처 : https://www.cnn.com/style/article/hong-kong-tunnels-climate-crisis-intl-hnk-dst/index.html
원문출처 : https://www.cnn.com/style/article/hong-kong-tunnels-climate-crisis-intl-hnk-dst/index.html