Greece has completed building a 40-km long wall and installed a hi-tech surveillance system on its border with Turkey to avoid the influx of Afghan migrants following the Taliban takeover of Afghanistan.
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The development comes amid apprehensions about heavy migration of Afghan citizens into Greece via Turkey, and then further into Europe.
Greece built the wall stating that the country cannot let Afghan nationals penetrate their borders and enter the country.
The European Union faced a huge inflow of migrants from neighbouring countries, especially the middle-east, during the 2015 Syrian war.
More than 1.3 million people fled to Europe, seeking asylum in the EU, Norway and Switzerland, Pew Research stated.