地下一樓附有當貓檔案室，保存所有當貓申請者的文件表格和影像紀錄，無需申請便可進入查閱，歡迎您參觀使用。

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There is an “Applying for Being a Cat Archives (ABCA)” in the basement, where all the documents and Image / video records of ABCO applicants are kept. Everyone has free access to the ABCA, and is welcome to visit it.