Circle of life behind bars

The image was taken at the Museum Helmond – Kunsthal. While attending the grand opening of the photography tour, insprired by the paintings of mideaval painter Lucas Gassel (1488 –1568/69).
I spotted this window, to me it represents a circle, which in intself is stuck in the bars. However, it gives you a glimpse how the outside world will look like. High diafragma because I did want a difuse background, representing the ‘not exectaly knowing what you can expect outside’.