The Dulong River area is located in the Nu River Basin in northwest Yunnan, Yunnan Province，It is the most remote area in the entire southwestern border of China，It is also one of the relatively poor areas in Yunnan and even the country。Since entering the 21st century，After several rounds of arduous poverty alleviation and development，Dulongjiang Township was out of poverty at the end of 2018。April 10, 2019，General Secretary Xi Jinping’s reply to the folks in Dulongjiang Township, Gongshan County, Yunnan，Congratulations to the Dulong people for getting rid of poverty as a whole，Become the most direct manifestation of the superiority of the socialist system with Chinese characteristics。Always，Anthropology researchers and documentary directors use film lenses to record the social history of mobile bet365 over the past 70 years、The development and changes of cultural life。

　　Recording the background of great mobile bet365mobile bet365 Regional Development

The image data related to the Dulong River area begins with the minority science education documentary "Dulong Tribe" shot in 1960 and 36 photos，This is the first time at home and abroad that film and photos have been used to record the national culture and customs of mobile bet365，In other words，so far，No earlier image records of the Dulongjiang area have been found。"Dulong Tribe" is the second film in the "Folk Documentary" series，This film is the academic result of interdisciplinary cooperation between film workers and ethnology scholars，Have a solid foundation in ethnological fieldwork，By Yang Licai、Song Enchang、Hong Jun and other ethnology scholars led the team，Entered the Dulongjiang area four times to conduct field surveys。This has also become a classic example of China’s “civilian documentary” production。1982，Cai Jiaqi, Institute of Ethnology, Yunnan Academy of Social Sciences、Yang Yuxiang、Three scholars, He Zhixiang, went to the Dulongjiang area to conduct fieldwork，Cai Jiaqi took more than 380 photos throughout the process，Covers the production technology of Dulong society from the 1960s to the 1990s、Clan and family life、Diet、Clothing、Contents on primitive religion, etc.。To the 1990s，As the threshold of imaging technology continues to decrease，More and more units、Group、Individual enters Dulongjiang to take video records，Image data is also increasing。At this time，Some new documentary techniques and concepts have entered China，Learned and used by Chinese documentary directors，An attempt at interdisciplinary integration。

　The film "The Last Caravan" directed by Hao Yuejun from 1997 to 2000，Combining grand narratives with micro cases，Mainly telling character stories。This film created the miracle of ranking first in the ratings of China’s mainstream media，Becomes a successful example of combining academic and ornamental aspects of ethnographic films。There are three festival-related films in the mobile bet365 regional video ethnography that strive to shoot from the inside of mobile bet365 regional culture，One is "The Dulong Festival "Kaquewa"" filmed by French scholar Gros Stephane from 2001 to 2011 based on his doctoral thesis research，The other two parts are "Kachangwa" shot by Dulong Society in 2013 and "Kachangwa Festival" shot by Gao Zhiying, a member of the Chinese Festival Image Project in 2015。

In addition，The film about "Revisit" is a new film based on the revisit of the folk documentary "Dulong Clan"。Starting from "Return to Dulongjiang" filmed by Tan Leshui from 2006 to 2016，"Dulong Ji" shot by Zhang Hai in 2010 and "Dulong River" shot by Ouyang Bin from 2012 to 2020 also revisited the Dulong people，Photograph and record local social culture，Reflecting the tremendous social development and cultural changes in mobile bet365。Shi Kairen、"Seeing the Invisible Dulong River" shot by Sun Jingxuan from 2017 to 2021 is a return visit to friends in his hometown，There is also the director’s participation and self-reflection。

　　Has important social and mobile bet365 value

mobile bet365 regional video ethnography plays a positive role in promoting anthropological research，Different from the cultural criticism emphasized by Western anthropology，Chinese video ethnography pays more attention to the social and cultural value of these video records in terms of cultural memory and cultural consciousness in the region。

First，Record social and cultural changes with images，The historical value of preserving national cultural memory。These ethnographic films present the social and cultural changes in mobile bet365 in the past 70 years，Important historical key points of Dulongjiang society were recorded in images。The producers of these ethnographic images are staff of official national agencies、Ethnology expert、Foreign scholars、Documentary Director、Dulong researchers, etc.，They look at it from different angles in different historical eras、Use different methods to photograph and record the social changes and cultural features of Dulongjiang，It has extremely precious documentary value。For example，The slash-and-burn cultivation of the Dulong people、The story of the caravan before the construction of the Dulongjiang Highway、The horse-riding post road across Gaoligong Mountain has become a historical memory。Dulongjiang Highway Tunnel opened to traffic in 2014，Iconically changed the social and cultural outlook of mobile bet365。Meanwhile，Dulongjiang Township implements targeted poverty alleviation，The whole township focuses on developing grass fruits、Chonglou、Dragon Bee、Dulong Niu、Dulong chicken and other special industries，Zhaianzhu housing、Infrastructure、Economic Development、Great achievements have been made in social and cultural aspects。From these videos，We have seen the tremendous changes that have taken place in mobile bet365 in 70 years，Carrying the cultural memory of the country and the public in the form of images，For foreign audiences、It is undoubtedly a shocking viewing experience and understanding process for local audiences, especially local young people。The local old man thinks，A lot of what is recorded in these images is very specific，Watching the video is like watching your own life，I hope the national culture can be preserved through these images。Visible，These films are of great significance to the Dulong people and the social culture of mobile bet365，It is a precious image document。

Second，From audience feedback to self-reflection and cultural awareness。Photographer、Three-way communication between locals and audiences，Even the multi-dimensional relationships between people in the film are presented through the living practice of these images，The social and cultural value mobile bet365 film is no longer limited to the relationship between the photographer and the subject，And expand to the audience beyond the photographed subject。These videos allow audiences in other places to understand this distant and unfamiliar land in an intuitive and vivid way，Feel the huge shock brought by national culture and the development mobile bet365 times，Make it more intuitive for audiences of different cultures、Three-dimensional knowledge and understanding，The feeling and understanding mobile bet365 history and culture of this region have become more vivid and profound。

In addition，By watching these videos，Local young people have changed their views on the land they live in。A Dulong college student felt shocked after watching the folk documentary "Dulong" for the first time，In the past, I only learned about the past events of mobile bet365 from the elders，Now I deeply feel the huge changes between the present and the past，And reflect on the need to consciously understand one’s own national culture。At the end of the movie "The Last Caravan"，The local Dulong elders were moved to tears because of the road construction，This is the heartfelt gratitude of the local Dulong people to the party and the government，It is a heartfelt expression of emotion，It is a record of true emotions。Through these images，The elderly and young people of the Dulong people expressed their gratitude to the party and the country for caring about the lives of the Dulong people，Thanks to the government for helping and promoting mobile bet365。Young people are beginning to think about how to learn and understand their own traditional culture，Will Weave、Dulong song、These elements of mythical stories are better integrated with the development of local B&Bs。Visible，These images make mobile bet365 locals strongly feel the cultural value of their area，Causing thoughts on cultural consciousness and cultural self-confidence，The academic significance and value of its social culture are constantly enriched。

The Dulongjiang Regional Imagery plays an active role in the inheritance and protection of the national culture in mobile bet365，From the perspective of social and cultural values，These videos let more people know the real situation in the Dulongjiang area，Let local people realize the importance of their own culture，It also allows them to re-understand and examine themselves through images，And then develop a deeper understanding and knowledge of one's own nation and culture。The social and cultural value of these images is further highlighted，Become a bridge of communication and understanding between different national cultures。

　(The author is an associate professor at the School of Ethnology and Sociology, mobile bet365 University)