Group 1: Infrastructure and Trade - The Sino-Russian cross-river railway bridge, located between China's Tongjiang and Russia's Nizhneleninskoye, spans approximately 2,200 meters and has been operational since November 2022 [1] - The bridge has an annual cargo capacity of about 21 million tons, with current annual import and export freight volume exceeding 5 million tons, primarily consisting of coal, iron ore, and consumer goods [1] - The Russian side is modernizing the railway port, planning to construct three new freight stations to enhance transportation capacity and promote trade growth between Russia and China [1] Group 2: Regional Development and Cooperation - The Jewish Autonomous Oblast, the smallest region in Russia's Far East, is leveraging its proximity to China and connection to the Trans-Siberian Railway to enhance its logistics potential [2] - The region's key industries include logistics, agriculture, mineral development, and tourism, with increasing cooperation and exchanges with China [2] - Recent visa-free policies for Chinese citizens traveling to Russia have led to a noticeable increase in Chinese tourists, contributing to local tourism and hospitality sectors [2] - The region is also fostering cultural cooperation with China, including hosting an international education forum and planning a skills competition for students [2]