Roman gold mining in Valongo (Porto, Portugal), portuguese spoken version, other languages pending.

Documentary about the biggest underground Roman gold mine. Archeology, MIning and archeology joint efforts to study this astonishing feature. By : João Moutinho Team members : João Montinho, Vitor Gandra et al Original title : Roman gold mining in Valongo (Porto, Portugal), portuguese spoken version, other languages pending. Languages : Other Sous-titres : No Subtitle Club / structure : Alto Relevo Clube de Montanhismo

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