Group 1 - The article highlights a travel benefit initiative for passengers in the Tianshui area, allowing them to purchase combined train and flight tickets at a discount, significantly reducing travel costs [1][2] - The Lanzhou Airport has launched new flight routes in collaboration with several airlines, enhancing connectivity between Northwest China and coastal regions, as well as border areas [1][2] - Popular tourist routes from Lanzhou to destinations like Shenzhen and Guilin have seen increased flight frequency, providing more options for travelers during peak holiday periods [1][2] Group 2 - Key flight routes to major cities such as Harbin, Tianjin, and Guiyang have been restored, along with domestic routes within Gansu and Xinjiang, improving overall flight availability [2] - The upgrade of the "Air-Rail Intermodal" service at Lanzhou Airport allows for seamless transfers between air and rail travel, enhancing passenger convenience and efficiency [2] - Lanzhou Airport is positioned as a strategic hub in the "Belt and Road" initiative, aiming to transition from a "channel economy" to a high-quality "hub economy" [3]