Reform is the driving force for development. Those are the words of President Xi Jinping calling for China's modernization efforts to resonate strongly in southern China. The Greater Bay Area, linking nine mainland cities with Hong Kong and Macao, is a pilot project of reform that leverages the "One Country, Two Systems" model and its strategic geographic advantages. And as CGTN explores, vibrant people exchanges are at the heart of its success. #VitalDetermination