Predominant views, both from and to the hillside areas, shall be preserved in order to retain the natural character and the sense of identity that the hillside areas now impart. Visual impact studies shall be provided by developers detailing the effects of grading, tree removal, building and parking placement and streets proposed in development plans. (Ord. 2053 § 3 (Exh. C), 2010; Ord. 1946 § 2, 2005).