This is 100% purely for information only.
Please read and try and gain some knowledge about the EU Borders workings …certainly they are far from perfect. That would take at least Berlin Style Walls, which as the EU stands, could not happen.
Freedom agreements between other EU countries is current.
https://www.robert-schuman.eu/en/european-issues/0585-the-union-s-external-borders-a-european-debate-revisited
Still you can read and digest if you wish to
There is no chatting wanted on this thread, so please respect this.