湖南人的成年礼，为什么是“流放岭南”？

Core Viewpoint - The article discusses the historical and cultural connections between Guangdong and Hunan, highlighting the significant interactions and exchanges that have developed over time, particularly in the context of migration and economic ties. Group 1: Historical Connections - The construction of the Lingqu Canal by Qin Shi Huang established the first significant link between Guangdong and Hunan, facilitating military logistics and trade [3][4]. - The Mei Guan Ancient Road, expanded by Zhang Jiuling during the Tang Dynasty, provided a more efficient trade route between Guangdong and Jiangxi, leading to a relative decline in Hunan's trade prominence [6][9]. - The construction of the Yuehan Railway, led by Zhang Zhidong, reestablished Hunan's position as a crucial transportation hub in southern China, altering the economic geography of the region [10][11]. Group 2: Modern Interactions - Since the reform and opening-up period, the connections between Hunan and Guangdong have strengthened, with over 10 million Hunan people living and working in Guangdong, making them the largest group of non-local residents [2][12]. - The transportation networks, including high-speed rail and highways, have become vital for the economic activity between Guangdong, Hunan, and Jiangxi, showcasing the dynamic nature of southern China's economy [14]. - The cultural exchanges and humorous interactions between the two provinces have gained popularity on social media, reflecting a modern camaraderie that enhances regional ties [2][3].