CHINA. Chongquing. 1997. Workers replace lighting fixtures "eaten" away by acid rain. ©Philip Jones Griffiths/Magnum Photos

CHINA. Chongquing. 1997. ©Philip Jones Griffiths/Magnum Photos

CHINA. Chongquing. 1997. Porters hauling goods up and down the stairs that surround the city. ©Philip Jones Griffiths/Magnum Photos

CHINA. Chongquing. 1997. Many goods are still transported on the backs of men. ©Philip Jones Griffiths/Magnum Photos

CHINA. Chongquing. 1997. Downtown, showing telegraph pole eaten away by acid rain. ©Philip Jones Griffiths/Magnum Photos