中国最难进的县城，拖住了春天

Core Points - The article highlights the transformation of Motuo County, which was the last county in China to be connected by a road, showcasing its unique geographical and cultural significance [1][2][3] - The construction of roads to Motuo has been a long and arduous journey spanning over fifty years, with significant milestones achieved in 2013 and 2022 [2][4][6] - The region's complex terrain and climate contribute to its rich biodiversity, making it a unique ecological zone with record-breaking tree heights [6][8][9] Summary by Sections Road Construction History - The journey to construct a road to Motuo began in 1961, with the first attempts facing numerous challenges due to difficult terrain and natural disasters [2][3] - The first vehicle reached Motuo in 1993, and the road was finally completed in 2013, marking Motuo as the last county in China to be connected by road [3][4] - By 2023, all towns and administrative villages in Motuo had road access, and the county saw the introduction of taxis for the first time [4][5] Geographical and Ecological Features - Motuo is characterized by a dramatic elevation change, with the highest peak, Namcha Barwa, at over 7,700 meters and the lowest point in the Yarlung Tsangpo River Valley at just over 100 meters, creating a vertical drop of over 7,000 meters [6][7] - The region experiences diverse climatic conditions due to its geography, leading to a variety of vegetation types, including rare tropical rainforests [7][8] - In 2022, a record-breaking Bhutan pine measuring 76.8 meters was discovered in Motuo, followed by a 102.3-meter Tibetan cypress found in 2023, establishing new height records for trees in China and Asia [8][9] Cultural Significance - Motuo is home to diverse ethnic groups, including the Menba and Luoba, with a rich cultural heritage that reflects in its architecture and traditions [9][10] - The county's unique wooden houses, characteristic of the Menba people, are a notable feature that attracts tourists [10] - The name "Motuo" translates to "hidden lotus" in Tibetan, symbolizing the county's gradual emergence into the public eye through its natural beauty and cultural richness [10]