Group 1 - Eastern Airlines has upgraded its "pet in cabin" service for the third time, covering 31 airports and 110 popular routes, with 93 new routes added [1][2] - The newly added routes include flights from Sanya, Dalian, Changsha, Urumqi, Harbin, and Shenyang to Shanghai, as well as routes from Shenyang to Nanjing, Kunming to Beijing Daxing, and several others [1] Group 2 - The application process for traveling with pets has been optimized, allowing passengers to submit requests online via the Eastern Airlines App or mini-program 24 hours before departure [2] - Each flight can accommodate a maximum of 2 pets in designated areas of the economy class, with each passenger allowed to carry only 1 pet [2] - Passengers must prepare necessary documents such as the "Animal Quarantine Certificate" and vaccination proof, and pets must be managed by passengers over 18 years old, wearing muzzles and diapers to prevent odor and noise [2]