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Beijing Sanitation and Antiepidemic Station; 北京市卫生防疫站编文

Farmers piling up manure as organic fertilizer in the field.

Beijing Sanitation and Antiepidemic Station; 北京市卫生防疫站编文

A woman disinfecting the public latrine.

Beijing Sanitation and Antiepidemic Station; 北京市卫生防疫站编文

Unknown author

A boy throwing a banana peal into the trash bin; a woman with a smile watching in the back.

Unknown author

Mother telling her child not to play with something dirty in his hand.

Unknown author

One boy telling another boy not to put his finger in his mouth.

Unknown author

A boy folding a clean handkerchief to get it ready for use.

Unknown author

A girl bathing in a basin, another girl waiting wearing a towel.

Unknown author

One girl showing her friend her handkerchief.

Unknown author

A girl washing her hair in a basin.