iamjapanese: Gu Gan（古干 Chinese, b.1942） here, here and here

iamjapanese: Gu Gan（古干 Chinese, b.1942） here, here and here
iamjapanese: Gu Gan（古干 Chinese, b.1942） here, here and here
iamjapanese: Gu Gan（古干 Chinese, b.1942） here, here and here
iamjapanese: Gu Gan（古干 Chinese, b.1942） here, here and here
iamjapanese: Gu Gan（古干 Chinese, b.1942） here, here and here

iamjapanese: Gu Gan（古干 Chinese, b.1942） here, here and here -- source link

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