ΘΩΡΑΚΙΣΜΕΝΕΣ ΠΟΡΤΕΣ ΑΘΗΝΑ

https://www.storeboard.com/blogs/general/10-things-we-all-hate-about-thorakismenes-portes-athena/980432

It's been a long time since we went over security doors, so we believed it was high time for a refresher. Let's begin by advising ourselves what they are and why we require them. What is a security door, and why