Group 1 - The 2025 Shanghai Cooperation Organization Summit is being held in Tianjin, marking the largest summit since the organization's establishment with over 20 heads of state and 10 international organization leaders in attendance [1] - Tianjin's rich cultural heritage is showcased through its historical sites, local delicacies, and vibrant arts, reflecting a blend of ancient and modern influences [1][3][11] - The city is characterized by its unique geographical features, including rivers and coastal areas, which contribute to its scenic beauty and recreational opportunities [5][6] Group 2 - Tianjin has a historical significance as a center for modern education and industry in China, being home to notable institutions like Nankai University and Tianjin University, which have played pivotal roles in the country's educational development [10][15] - The city has attracted nearly 20,000 foreign enterprises, indicating a robust investment environment and a focus on high-quality development in sectors such as new materials and marine chemicals [16] - Tianjin's culinary scene is diverse, featuring local specialties like "Goubuli" buns and "Jianbing Guozi," which reflect the city's rich food culture influenced by various regional cuisines [23][24][26]