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<p>The Jeonnam Provincial Hall bears gunshot marks from the 1980 South Korean pro-democracy movement. Recent structural alterations inadvertently concealed these tangible memories. To restore the site’s commemorative value, this study applied a multidisciplinary approach combining visual analysis and archaeometry to detect the obscured conflict heritage. Following a shooting reenactment, 3D scanning established morphological criteria for gunshot impacts. Hidden gunshot marks were subsequently pinpointed using thermal infrared imaging and metal detection and verified via gamma-ray transmission imaging. Finally, embedded projectiles were excavated and identified via SEM-EDS and microscopic rifling analysis as 5.56 mm ammunition from an M16 rifle. This scientifically validated methodology demonstrates how non-destructive techniques can uncover hidden historical evidence, providing a dynamic framework for permanent conservation and socio-cultural re-evaluation of architectural heritage facing unpredictable preservation scenarios.</p>

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Identification and conservation of gunshot marks from the 1980 South Korean pro-democracy movement

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年7月3日

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  • Min-Je Kim,
  • Go-Woon Bae,
  • Yang-Ho Choi,
  • Jong-Soo Lim,
  • Sang-Ok Lee

摘要

The Jeonnam Provincial Hall bears gunshot marks from the 1980 South Korean pro-democracy movement. Recent structural alterations inadvertently concealed these tangible memories. To restore the site’s commemorative value, this study applied a multidisciplinary approach combining visual analysis and archaeometry to detect the obscured conflict heritage. Following a shooting reenactment, 3D scanning established morphological criteria for gunshot impacts. Hidden gunshot marks were subsequently pinpointed using thermal infrared imaging and metal detection and verified via gamma-ray transmission imaging. Finally, embedded projectiles were excavated and identified via SEM-EDS and microscopic rifling analysis as 5.56 mm ammunition from an M16 rifle. This scientifically validated methodology demonstrates how non-destructive techniques can uncover hidden historical evidence, providing a dynamic framework for permanent conservation and socio-cultural re-evaluation of architectural heritage facing unpredictable preservation scenarios.