北方赏雪，南方看海

Core Viewpoint - The article contrasts the winter experiences in the northernmost region of China, Mohe, known for its extreme cold and snow, with the southernmost city, Sanya, which offers a warm beach environment, highlighting the diverse climatic conditions across the country [14][15]. Group 1: Mohe and the Arctic Village - Mohe, located in Heilongjiang province, is characterized by its extreme cold, with picturesque winter landscapes and activities such as experiencing the phenomenon of water freezing instantly in the air [14][17]. - The Arctic Village, known for its historical significance and cultural heritage, attracts visitors with its unique geographical features, including the ability to view the Northern Lights and the Midnight Sun [15][16]. - The village is rich in cultural elements, featuring traditional customs and artifacts that reflect the lifestyle of its inhabitants, including activities like dog sledding and horse-drawn sleigh rides [19]. Group 2: Sanya and the "Migratory Birds" - Sanya, a tropical city in Hainan, becomes a winter haven for "migratory birds," primarily from Northeast China, who seek warmth and relief from the harsh winter conditions [24][25]. - The influx of these seasonal residents significantly impacts the local economy and demographics, with a notable percentage of the temporary population being from Northeast China [23][25]. - Sanya's climate, averaging 26.7°C, is conducive to health benefits for many visitors, leading to a growing trend of individuals relocating temporarily for wellness and leisure [24][25]. Group 3: Cultural Exchange and Community - The presence of a large number of Northeastern residents in Sanya has led to a cultural exchange, with local businesses catering to their preferences, such as offering familiar cuisine and services [22][23]. - Community activities among the "migratory birds" include social gatherings, performances, and recreational events, fostering a sense of belonging and community spirit [26][27]. - Local authorities are establishing support systems for this demographic, including service points and platforms for health and entrepreneurship, enhancing integration with the local population [25].