Group 1 - The concept of "Aura" proposed by Walter Benjamin relates to a transcendent response that connects distant people and objects, similar to the "artistic conception" in Eastern culture [1] - The introduction of silver plate photography in China during the mid-19th century and its acceptance by the Qing government marked a significant cultural shift [1] - The Fushun West Open-pit Coal Mine, as a core energy base during China's first five-year plan, has a mining history of 118 years and has significantly contributed to China's industrial development [4][5] Group 2 - The Fushun West Open-pit Coal Mine has provided thousands of jobs and has led to the establishment of a complete industrial chain, contributing to the prosperity of the city [9] - The coal mine's production peaked at nearly 20 million tons annually, contributing up to 30% of the national coal output during its operational years [5] - The transformation efforts by local government in resource-depleted cities have included extensive greening projects and the establishment of a coal museum, improving the local environment [10] Group 3 - The steel industry in Liaoning, particularly through Anshan Iron and Steel Group, plays a crucial role in China's steel production, accounting for over half of the global output [24] - Anshan was a significant industrial center during the planned economy era, with a GDP of 3.278 billion RMB in 1978, ranking thirteenth nationally [15] - The transition to a market economy led to significant layoffs in state-owned enterprises, impacting the local workforce and economy [16][18] Group 4 - The narrative of industrial workers, such as Wang Yuwen, highlights the emotional and social aspects of labor in the coal and steel industries, capturing the essence of their experiences through photography [3][13] - The evolution of cities like Anshan and Fushun is closely tied to their industrial roots, with many local enterprises emerging from the legacy of state-owned industries [24][28] - The ongoing revitalization of Northeast China emphasizes the integration of technology and culture in industrial development, marking a shift from traditional industries to modern manufacturing [28][30]