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Raalfu Leinonen's files
Posiva's spent nuclear fuel disposal
By
Raalfu Leinonen
866 days ago
in the group
Tunnel Building News (tenders, building progress news, etc)
Posiva's spent nuclear fuel disposal. source: Posiva.
Karnainen Road Tunnel, Finland
By
Raalfu Leinonen
1032 days ago
in the group
Safety and Environmental Sustainability in Underground Works
Karnainen Road Tunnel, Finland photo: kallerna, CC BY-SA 4.0 <https://creativecommons.org/licenses/by-sa/4.0>, via Wikimedia Commons
Saaremaa - mainland Estonia fixed link connection
By
Raalfu Leinonen
1579 days ago
in the group
Tunnel walk and talk
Underground City
By
Raalfu Leinonen
1661 days ago
in the group
Tunnel Building News (tenders, building progress news, etc)
Underground City (Montreal Canada) from Wikimedia Commons. I want to thank 'Laslovarga' for making this photograph available to public.
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