pop art-inspired philadelphia cityscape: a playful cartoon

philadelphia cityscape digital drawing pop art roy lichtenstein playful cartoon clean sharp inking skyblue green cartelcore comics die brucke ohio city urban modern vibrant colorful comic book style retro life contemporary graphic design culture landscape art-inspired cityscape: featuring river skyline depicted cartoonish detailed shading mark brooks adds depth scene use americana iconography highly foliage enhances charm architectural peter bagge showcases expertise capturing intricate cityscapes generated