Mice is plural....plural is more than one
The word beautiful is in italics
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.
The Gods were angry at the humans because, apart from their unacceptable behavior, they would also forget to pray to their names and honour them with sacrifices. That is why Zeus decided to destroy all humankind.