Explain "some forgotten place"

it is the infants face. childhood in within ourself it has not gone anywhere.

It is a place where child innocence is stored in adult mind which he has has forgotten

It went to some forgotten place explain it

What has the poet found about his mind

It is a place where the innocence of the child is stored in adult mind which he has forgotten in the process of growing up.

Please find this answer

The 'place' he is referring to was within him but it has been forgotten for so long. He has forgot how he used to be a child and all that is left is his maturity as the childishness he had is gone to a place within him that is long forgotten. (Hope this answer helped you some how)

It is the place where child innocence is stored in adults mind which he has forgotten. Thanks