Hang Mon coal mine, Yên Châu District, Sơn La Province, Northern Vietnam (20.93583°N, 104.37033°E) [details]
Hang Mon coal mine, Yên Châu District, Sơn La Province, Northern Vietnam (20.93583°N, 104.37033°E) [details]
Hang Mon coal mine, Yên Châu District, Sơn La Province, Northern Vietnam (20.93583°N, 104.37033°E) [details]