The Gateway Crossing footbridge in Houlton lights up a cold winter night.
To solve an easier version of this puzzle, click on this LINK.
To solve a more difficult version of this puzzle, click on this LINK.
The Gateway Crossing footbridge in Houlton lights up a cold winter night.
To solve an easier version of this puzzle, click on this LINK.
To solve a more difficult version of this puzzle, click on this LINK.