Hydroelectric Power Plant Tunnel
-, Perù
2014
Jerusalen Canteras
Bogota, Colombia
2014
Los Bronces (2)
Los Bronces Mine, Santiago de Chile, Chile
2014
NIM-Minera Los Pelambres
Salamanca, Valle del Río Choapa, Región de Coquimbo, Chile
2014
DEMIR KAPIJA-3
Tunnel on National road Demir Kapija-Smokvica, Macedonia
2013
Pampa Verde mine
-, Perù
2013
Schäferkalk
Hahnstätten, Germania
2012
St. Johannes’s mine - underground tourist route
Krobica, Polonia
2012
Airly Mine
NSW, Australia
2010
Carajas Mine
Carajas, Brazile
2010
Emmi Kaltbach Cave
Kaltbach, Svizzera
2010
Wambo Mine
NSW, Australia
2010
Minera Los Pelambres
Los Pelambres, Chile
2009
Limestone Stadium Bad Segeberg
Bad Segeberg, Germania
2008
New Mexico Abandoned Mine
Oro Grande, New Mexico, Stati Uniti
Soluzioni speciali
2008
Stockton Opencast Mine
Westport, Nuova Zelanda
2006
West Virginia Abandoned Mine
McDowell County, West Virginia, Stati Uniti
2006
Bridger Coal Mine
Wyoming, Stati Uniti
2004
Navachab Mine
Karibib, Namibia
2002
Los Bronces (1)
Division Los Bronces, Chile
2001