Documentary of a Roman gold mine
Documentary about the biggest underground Roman gold mine. Archeology, Mining and archeology joint efforts to study this astonishing feature. By […]
Documentary about the biggest underground Roman gold mine. Archeology, Mining and archeology joint efforts to study this astonishing feature. By […]
Documentary about the gold mining history in Valongo (Porto, Portugal) and speleological exploration of said 2000 years old mines. By : […]