Group 1 - The first China-Russia Mayors' Roundtable Conference was held in Harbin, focusing on "Ice and Snow Culture Promoting Urban Innovative Development" [1][3] - The conference gathered mayors, government officials, and representatives from 13 key cities in the ice and snow industry from both countries to discuss smart city construction, ice and snow cultural tourism development, and urban renewal [1][3] - Various city representatives shared experiences and explored cooperation prospects, particularly in digital technology applications for urban governance and transforming cold resources into economic benefits [3] Group 2 - A concurrent event, the China-Russia Construction Technology and Industry Exchange Conference, facilitated in-depth discussions between Chinese enterprises and Russian city representatives on urban development planning and investment needs [3] - The conference successfully established a multi-level communication bridge between Chinese and Russian cities, enhancing cooperation consensus and clarifying development directions [4] - Both sides expressed intentions to broaden cooperation areas and deepen collaboration in urban construction, cultural tourism integration, and industrial linkage [4]