Eric Alders Monday Photo Prompt T is for Tunnel

photo by Eric Alder

Underground

Subterranean connection

Links borders

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More of Eric Alder's fine photos can be found here:

http://bifocalunivision.blogspot.com

and to read and see more A-Z Challengers go here:

http://www.a-to-zchallenge.com/p/2012-to-z-challenge-sign-up-list.html