| Boundary monument No.53 of China and Vietnam is established by China and France after the Sino-French War.It witnessed the colonial invasions of modern Western and reflects the transformation of Sino-Vietnamese relations from tributary system to treaty system.The geographical position of the monument is mutually verified with that recorded in history.The site of Liancheng Fortress,which is composed of border defense facilities such as boundary monument No.53 of China and Vietnam,is the historical witness of Guangxi frontier defense construction in modern times.Therefore,the monument has important historical value.Due to the long-term impact of natural environment and human factors,the monument is facing a series of diseases,such as fracture damage,surface weathering,surface pollution and discoloration,cement repair,surface biological weathering and so on.This paper uses multidisciplinary method to analyze the causes of the disease of boundary monument No.53 of China and Vietnam.Based on the analysis of the natural environment data in Daxin County,the paper believes that the two main causes of the disease of the monument are the deterioration of stone quality accelerated by high temperature and rain in subtropical monsoon climate,and the damage caused by human factors such as factory pollution and tourist touch.Combined with the above analysis and in compliance with the relevant principles of cultural relic restoration and protection,this paper suggested that chemical cleaning,desalting treatment,mechanical reinforcement,anti-weathering treatment and other corresponding protective measures should be taken.After the restoration is completed,it is necessary to strengthen the preventive protection of the boundary monuments.The government may consider appointing cultural preservation inspectors to carry out long-term monitoring and management,and balance the relationship between tourism development and cultural heritage protection. |
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