The reason was she didn’t want Luke to see her covered in dirt because she had a crush on him So when Luke appears in the mist, she was conscious of her looks, she straightened her dirty T-shirt and comb the loose hair out of her face and had to find an excuse to get out of sight.
The two Donatello's characteristic formal contributions are encountered in the work for Baptistery of Siena. He demonstated it through organizing the relief by a rigorous application of the rules of perspective. Even though it was created at a shallow deptht, this technique makes each figure of a scene emerge clearly and very logically. This technique is determined as a flattened relief.
