Hydroelectric Power Plant Tunnel
-, Perú
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
-, Perú
2013
Schäferkalk
Hahnstätten, Alemania
2012
St. Johannes’s mine - underground tourist route
Krobica, Polonia
2012
Airly Mine
NSW, Australia
2010
Carajas Mine
Carajas, Brasil
2010
Emmi Kaltbach Cave
Kaltbach, Suiza
2010
Wambo Mine
NSW, Australia
2010
Minera Los Pelambres
Los Pelambres, Chile
2009
Limestone Stadium Bad Segeberg
Bad Segeberg, Alemania
2008
New Mexico Abandoned Mine
Oro Grande, New Mexico, EE. UU.
Soluciones especiales
2008
Stockton Opencast Mine
Westport, Nueva Zelanda
2006
West Virginia Abandoned Mine
McDowell County, West Virginia, EE. UU.
2006
Bridger Coal Mine
Wyoming, EE. UU.
2004
Navachab Mine
Karibib, Namibia
2002
Los Bronces (1)
Division Los Bronces, Chile
2001