你有多久没有使用纸币了？大多数年轻人可能会回答：早已记不清了。现在，随着科技的发展，我们很多人在外面支付时，只需用手机一扫，就能完成交 易，十分便捷，这也成为了现代人常用的支付方式。然而，仍然有一部分人习惯使用纸币，因为纸币不仅是我国的法定货币，也是流通中的重要方式，另 外，一些人觉得手里拿着现金才会觉得踏实。 目前，我国的人民币一共有五套，每一套的设计都各具特色。你还记得第四套人民币的样子吗？它的设计上有着我国各个民族的头像，色彩丰富且充满艺术 感。这个故事的主角是一位16岁的少女，因为她的美丽，被画家选中作为第四套人民币上的人物之一。多年后，这个少女在46岁时才得知，原来人民币上的 头像就是自己。 在第四套人民币的设计开始之前，画家侯一民走遍了我国的各个少数民族地区，寻找灵感。有一次，他在贵州遇到了一位美丽的16岁少女，最终决定将她的 侧脸画下来，这幅画后来就出现在了第四套一元人民币上。原来，这位16岁的少女叫石奶引，是贵州的侗族人。她的外貌美丽，乌黑的长发和明亮的眼睛让 她显得格外迷人，更重要的是，她的外貌展现了我国少数民族的特征。 石奶引小时候就因其美丽而在村子里小有名气。然而，她的家庭贫困，家中有六 ...

Group 1 - The article discusses the author's recent visit to lesser-known places in Northeast China, specifically Qiqihar and the more obscure city of Gagadaqi [1][3] - Gagadaqi is identified as the largest city in the Daxing'anling region, which is administratively managed by Heilongjiang Province, despite parts of it being located in Inner Mongolia [4] - The name Gagadaqi means "place with Chinese pine" in the Oroqen language, and it serves as a gateway to experience the customs of the Oroqen people [6] Group 2 - The article highlights the cultural significance of the Oroqen people, noting their connection to the historical Xianbei tribe, and their current population is around 9,000 [2][8] - The author participated in a commercial variety show that showcased Oroqen culture, including traditional songs, dances, and archery [9] - The production of the variety show involves collaboration with local governments to promote tourism and cultural awareness, with the show being aired on platforms like Mango TV and Hunan TV [12][13] Group 3 - The article describes the natural beauty of the Daxing'anling region during autumn, emphasizing the cold climate and the resilience of the Oroqen people who have adapted to this environment [14] - Gagadaqi has limited transportation options, with a few flights connecting to major cities and a reliance on traditional green trains for travel [20][23] - Qiqihar, the second-largest city in Heilongjiang, is characterized as a larger county town with a rich history and cultural significance, including its connection to the Daur ethnic group [26][25]