Ini adalah gambar sentuh, ini bermakna bahawa ia telah didigitalkan dari versi asal. Modifikasi: Added arrows showing flanking fire. Versi asal boleh dilihat di sini: Bastions.png. Modifications made by Dagjoh.

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This image is a derivative work of the following images:

• File:Bastions.png licensed with PD-self
  • 2010-06-08T10:23:15Z Arch 1018x634 (73584 Bytes) {{Information |Description={{en|1=Bastion, fortifications}} {{nl|1=Bastion, fortificatie}} |Source={{own}} |Author=[[User:Arch|Arch]] |Date=2010 |Permission=see below |other_versions= }} [[Category:Floor plans of fortresses]]

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