Core Viewpoint - The transformation of Qinhuangdao Port from a coal transportation hub to a green and smart industrial tourism destination showcases a successful integration of historical significance with modern innovation [3][6]. Group 1: Transformation and Upgrading - Since 2017, Qinhuangdao Port has actively promoted transformation and upgrading, optimizing its functional layout through the renovation of old buildings and large-scale greening projects, ultimately becoming a national 4A-level tourist attraction [3][6]. - The port maintains a strong core transportation function, with an average daily coal throughput of nearly 500,000 tons, while pursuing ecological and environmental goals [3][6]. Group 2: Environmental and Technological Innovations - Advanced environmental technologies are applied throughout the coal handling process, ensuring that the port operates "dust-free" from the entry of coal trains to the departure of cargo ships [3][4]. - The port has implemented smart upgrades, including the establishment of a smart operation center and platforms for production scheduling, safety supervision, and environmental monitoring, integrating AI, big data, and cloud computing into industrial production [3][4]. Group 3: Community and Economic Impact - The dual transformation towards green and smart operations has revitalized the century-old coal port, contributing to the selection of the Qinhuangdao Bay area as one of the national beautiful bays in 2024 [6]. - The port's transformation has enhanced the urban environment and vitality, positively impacting the happiness of local citizens, as reflected in community feedback [6].