Secondary sources are works that analyze, assess or interpret an historical event, era, or phenomenon, generally utilizing primary sources to do so. Secondary sources often offer a review or a critique. Secondary sources can include books, journal articles, speeches, reviews, research reports, and more.
The poet states that the statue had been destroyed and what were left was its leg and head. But in contrast to that the picture has a full statue with the entire body. Also the poet has stated that the face has a permanent frown due to ordering always, but here it does not seem to be. So therefore that is the one detail not clearly shown by the poet.