CGTN's special program "Tides of Change" focused on the country's ocean economy starts from April 7 to 19. Our first stop is a key import and export port in the South China Sea — the Yangpu Port in Hainan Province. Despite COVID-19, the port still saw a positive development dynamic in 2020. Join CGTN's reporters for an in-depth tour of the port and learn how the port achieved fast growth and its role in China's opening-up.