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