坐上这列穿越大凉山的绿皮火车，去看“彝族风情画卷”

Core Viewpoint - The article highlights the unique cultural and social significance of the remaining non-air-conditioned green trains operating on the Chengkun Railway, particularly in the Daliang Mountain region of Sichuan, as documented in the book "Green Train, Journey to Rural China" by Qi Dong [1][18] Group 1: Train Operations and Cultural Context - The Chengkun Railway is home to the last two pairs of non-air-conditioned green trains, which serve as a vital link for local residents, including the Yi ethnic group, students, and content creators [1][5] - The green trains, particularly the 5620 and 5633 services, are characterized by their lack of modern amenities, allowing passengers to experience a more traditional form of travel [5][9] - The 5633 train is described as a "moving Yi cultural painting," reflecting the rich cultural tapestry of the region, while also facing a stigma associated with being a slow and less desirable mode of transport [5][6] Group 2: Passenger Experience and Unique Features - Passengers on the 5633 train often include livestock, with a dedicated carriage for animals, showcasing the practical and cultural integration of transportation in rural life [9][11] - The article describes the chaotic yet vibrant atmosphere on the train, where interactions with local residents and their livestock create a unique travel experience [10][11] - The presence of a traditional Yi healer, or Bimo, on the train illustrates the blend of modern travel with ancient cultural practices, emphasizing the ongoing relevance of traditional roles in contemporary society [15][16]