Group 1 - Datong is highlighted as a must-visit city in Shanxi, known for its rich historical architecture and cultural significance, making it a key stop on the famous Lianglin Road [1] - The city features a blend of ancient and modern attractions, allowing visitors to experience a unique "time travel" sensation [3][4] - Datong Museum serves as a comprehensive showcase of the city's history, housing over 170,000 artifacts that span from the Han Dynasty to the Ming and Qing Dynasties [4][5] Group 2 - The museum's architecture is distinctive, designed in a spiral shape that symbolizes cultural integration, and it features notable artifacts like the "Northern Wei Blue" glassware [5][6] - The city has a rich history dating back 2,300 years, with significant developments during the Northern Wei period when it became a political and cultural center [4][6] - Datong's historical significance is further emphasized by its role as a major coal mining city post-establishment of the People's Republic of China, shaping its urban landscape [8] Group 3 - The Southeast Yi cultural district represents a modern artistic transformation of traditional residential areas, featuring live music venues, art exhibition spaces, and various shops [14][16] - The district retains the historical "grid" layout from the Northern Wei period, creating a unique blend of ancient and contemporary experiences [16] - Local culinary offerings, such as the famous "Shunyi Liangfen," highlight the city's cultural heritage and provide a taste of local flavors [18][20]