Right after the holiday season Greece announced their controversial plan to build a 12 km long wall to stop the flood of illegal immigrants to the EU. The wall will cover only a fraction of the total length of the border and is aimed to be built in the area that is worst affected by illegal border crossings estimated to amount to 350 people every day, making Greece the leading entry point of illegal immigrants to the EU. As provocative as it may sound, in an economy that is suffering from severe difficulties and rampaging unemployment figures, blocking immigrants from entering is becoming one of the priority political actions to moderate fiscal expenses that is visible to the domestic population. Even though opponents have raised loud objections against the project, according to a recent poll 59 percent of the Greeks approved of the plan. And one has to admit it has an intuitive appeal of simplicity and logic: once you close the drain the flow will stop. Yet, as simple as it may sound, this is not how it works.