Reference :
O51-000252
Translated title :
Hòn Gai. Mỏ than lộ thiên. Các tầng than
Original title :
Hongay. Les mines à ciel ouvert : les gradins
Materials and Techniques :
Discipline :
Domaines :
Shooting localisation :
Historical geography :
Observations / Comments :
Chất lượng ảnh: xấu
Associated keywords :
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