Entrance to the #2 Anti-Airborne Fort

Entrance to the #2 Anti-Airborne Fort
I'm not sure if it is usually so easy to take a look around the #2 but the workers didn't mind me taking a peek.

Image Metadata

Date Captured

Camera

NIKON D3100

Aperture

ƒ/5.6

Shutter Speed

1/125 sec

Focal Length

20 mm

ISO

200

Exposure

− ⅓ EV