The Environment Minister of Paraguay O. Rivas giving his anniversary speech at the Centro de Convenciones Caramelitas in Asunción. To his right, BGR President Prof. Dr. H.-J. Kümpel
The Environment Minister of Paraguay O. Rivas giving his anniversary speech at the Centro de Convenciones Caramelitas in Asunción. To his right, BGR President Prof. Dr. H.-J. Kümpel
Source: BGR