NLM logo

Gallery: Hygiene and Sanitation

不要随地吐痰 (We Must Not Spit on the Ground), ca. 1963

不要随地吐痰 (We Must Not Spit on the Ground), Health News Press, painted by Ye Liuwen and Mo Gong, printed by Tianjin People's Printing Factory, ca. 1963


About the Book