Images via: (clockwise from top left) 
“Woodworking” by Vladimer Shioshvili, “herring bone lines weathered wood” by Markus Spiske, “Cunningham Bridge – HDR” by Nicolas Raymond, “Wood Pile” by Chris RubberDragon, “Concentrical lines around tree knot” by Horia Varlan (cropped from original), “Weathered Wood Grain” by Jason Hollinger (cropped from original), “Wood” by Mike Knapp, “Wood Grain” by Michael Coghlan (cropped from original)
