Core Viewpoint - The opening of the Panzhou-Xingyi high-speed railway marks the completion of a high-speed rail network connecting nine major cities in Guizhou, enhancing the province's integration into broader economic and tourism landscapes [1][2] Group 1: High-Speed Rail Development - The Guizhou high-speed rail network connects major tourism and economic resources, facilitating faster access to the Guangdong-Hong Kong-Macau Greater Bay Area [1] - The first high-speed rail line from Guiyang to Guangzhou opened in December 2014, marking Guizhou's entry into the high-speed rail era [1] - The completion of the Hukun high-speed railway in December 2016 established a rapid connection between Guizhou and the Yangtze River Delta [1] - The opening of the Yuxi-Guizhou railway in January 2018 highlighted the region's historical significance and tourism potential [1] - The Chengdu-Guizhou high-speed railway opened in December 2019, linking Guizhou to the Chengdu-Chongqing economic circle [1] - The Gui-Nan high-speed railway, which opened in August 2023, is Guizhou's first line with a speed of 350 km/h, enhancing connectivity to Southeast Asia [1] Group 2: Economic Impact - The completion of the Panzhou-Xingyi high-speed railway fills the last gap in high-speed rail connectivity among Guizhou's nine central cities, reshaping the regional economic landscape [2] - Over the past 11 years, the development of high-speed rail has transformed Guizhou from a "southwest hinterland" into an open frontier [2]