Hydroelectric Power Plant Tunnel
-, Peru
2014
Jerusalen Canteras
Bogota, Colômbia
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, Macedónia
2013
Pampa Verde mine
-, Peru
2013
Schäferkalk
Hahnstätten, Alemanha
2012
St. Johannes’s mine - underground tourist route
Krobica, Polónia
2012
Airly Mine
NSW, Austrália
2010
Carajas Mine
Carajas, Brasil
2010
Emmi Kaltbach Cave
Kaltbach, Suíça
2010
Wambo Mine
NSW, Austrália
2010
Minera Los Pelambres
Los Pelambres, Chile
2009
Limestone Stadium Bad Segeberg
Bad Segeberg, Alemanha
2008
New Mexico Abandoned Mine
Oro Grande, New Mexico, Estados Unidos
Soluções especiais
2008
Stockton Opencast Mine
Westport, New Zealand
2006
West Virginia Abandoned Mine
McDowell County, West Virginia, Estados Unidos
2006
Bridger Coal Mine
Wyoming, Estados Unidos
2004
Navachab Mine
Karibib, Namíbia
2002
Los Bronces (1)
Division Los Bronces, Chile
2001