Baochi huanjing zhengjie jianshe jingshen wenming
'Keep the environment clean, create spiritual civilization.'
| Institution: | International Institute of Social History |
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| Format: | IMAGE |
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/DF72A5DD-1838-44CA-8113-2BEA655F3BEC |