philadelphia skyline pencil drawing depicting the citys iconic skyscrapers urban landscape architecture and city life in a

philadelphia skyline cityscape pencil drawing single line art architecture urban city skyscraper building landmark downtown landscape design life black white sketch graphic minimalist modern abstract simple elegant contemporary clipart digital print poster wall printable home decor gift office travel tourism usa american united states cityscapes depicting city#39aph39#s iconic skyscrapers captivating single-line style