The Cold Regions Research and Engineering Laboratory (CRREL) Permafrost Tunnel Research Facility near Fairbanks, Alaska acts as an active laboratory allowing scientists to monitor and study permafrost in its natural state and how permafrost is changing in a warming climate. 3d illustration by Travis Burcham.
No camera details available.
This photograph is considered public domain and has been cleared for release.
If you would like to republish please give the photographer appropriate credit.
Further, any commercial or non-commercial use of this photograph or any other
DoD image must be made in compliance with guidance found at
which pertains to intellectual property restrictions (e.g., copyright and
trademark, including the use of official emblems, insignia, names and slogans), warnings
regarding use of images of identifiable personnel, appearance of endorsement, and related matters.