Battle scars from our Cival War; this image shows an actual cartrage lodged in the southeast wall.
Best viewed in 'original' size.
Nikon D800
,AF-S VR Nikkor 70-200mm f2.8G TC-14E II 1.4x 1/250s f/7.1 at 405mm iso320
UnCropped DX Image Reduced to 90 ppi for Internet Viewing
full exif