Columbia subject headings:
Bonanzinga, Patrizia, 1954-
China--Social conditions--Pictorial works.
Coal trade--China--Pictorial works.
Photography, Artistic.
Harvard subject headings:
Bonanzinga, Patrizia, 1954-
Coal mines and mining--China--Shanxi Sheng--Pictorial works.
Shanxi Sheng (China)--Social conditions--Pictorial works.
Princeton subject headings:
Bonanzinga, Patrizia, 1954-
China--Social conditions--Pictorial works.
Coal trade--China--Pictorial works.
Photography, Artistic.