A restorer removes stains from a document with a brush at the Harbin Archives Bureau in Harbin, northeast China's Heilongjiang Province, Oct. 18, 2022. (Photo: China News Service/Sun Hanlun)
Restorers have attempted to restore documents and records in the bureau.
A restorer repairs a document with a magnifying glass at the Harbin Archives Bureau in Harbin, northeast China's Heilongjiang Province, Oct. 18, 2022. (Photo: China News Service/Sun Hanlun)
Restorers spray water on the damaged file to remove the stains at the Harbin Archives Bureau in Harbin, northeast China's Heilongjiang Province, Oct. 18, 2022. (Photo: China News Service/Sun Hanlun)
Restorers dry the well-repaired documents on a wall at the Harbin Archives Bureau in Harbin, northeast China's Heilongjiang Province, Oct. 18, 2022. (Photo: China News Service/Sun Hanlun)
Restorers repair damaged documents at the Harbin Archives Bureau in Harbin, northeast China's Heilongjiang Province, Oct. 18, 2022. (Photo: China News Service/Sun Hanlun)
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