what does the phrase"Its silence silences" of poem A PHOTOGRAPH by Shirley Toulson mean?

Question

it is the poem of XI class's english book Hornbill

Answer 1

"Its silence silences", to me means: its silence makes us mute.

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Answer 2

i thinks that the loss of those (childhood) daysof poets mother silences her and poets mothers lose silences the poet..........

Answer 3

in my opinion it doesn't mean anything - it's just a word play -