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The Seven Bridges of Königsberg Walk is a mathematical problem. in the city of Königsberg, currently Kaliningrad.
The city of Königsberg, was set on the Pregel River, and included two large islands which were connected to each other and the mainland by seven bridges. 2 of these bridges do not exist anymore.
The problem is to decide whether it is possible to follow a path that crosses each bridge exactly once and returns to the starting point.
Leonhard Euler proved in 1736 it is not possible to do. So don't try it. This is a walk which is getting close..., visiting 5 of the bridges which still exist in a new form.
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