Overall site design shall take into consideration pedestrian safety and scale through the inclusion of walkways, landscaping, awnings, covered arcades and open spaces, plazas and other gathering places, as well as enhance the pedestrian experience by presenting a varied appearance at street level of building facades and limiting blank wall exposure, as appropriate to the proposed use and its location. The use of covered outdoor spaces such as loggias, arcades and colonnades shall be encouraged, as appropriate, in order to provide weather protection, transition between indoors and outdoors and to add visual interest, shadow and depth to building elevations. Walkways and pedestrian plazas shall offer a variety of pigments and textures which are in harmony with the planned character of the area, and are safe for pedestrian traffic, including the handicapped. Walkways shall be planted with regularly spaced, salt-tolerant shade trees, selected with regard to the scale of the area in which they are located, as well as the height and spacing of exterior lighting, and the need to maintain visibility of storefront displays, signs and other features.