Enjoy Google images (see below*), and do not forget that the shapes given to the «holes-in-the-wall» - windows - mostly of them had some ancient and iconotheological meanings: a lesson we received from Monserrate palace.
And this is the reason for the very specific window chosen to be reflected in the soldier’s helmet (above): a part of the masterpiece sometimes considered to be (almost) the unique in Portuguese Art.
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