submarine groundwater tunnel

Camera：Nikon D300, Lens：Tokina AT-X12-24mm F4DX
Exif：Aperture priority mode, 0EV, ISO= 3200, SS= 1/15sec, f=4, Focus distance= 12mm, No flash
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Camera：Nikon D300, Lens：Tokina AT-X12-24mm F4DX
Exif：Aperture priority mode, 0EV, ISO= 3200, SS= 1/30sec, f=4, Focus distance= 22mm, No flash
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Camera：Nikon D300, Lens：Tokina AT-X12-24mm F4DX
Exif：Aperture priority mode, 0EV, ISO= 1250, SS= 1/30sec, f=4, Focus distance= 12mm, No flash
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Camera：Nikon D300, Lens：Tokina AT-X12-24mm F4DX
Exif：Aperture priority mode, 0EV, ISO= 3200, SS= 1/20sec, f=4, Focus distance= 12mm, No flash