a detailed pencil drawing of the philadelphia skyline showcasing iconic buildings the river and a tree in the foreground this

philadelphia skyline city cityscape urban architecture buildings skyscrapers drawing pencil art black white monochrome minimalist modern contemporary design graphic abstract cityscapes landmark river bridge tree nature landscape scenery travel tourism united states usa american life artistic sketch artwork line single clipart lineart detailed showcasing iconic foreground piece captures essence city#39aph39#s clean lines aesthetic