monochrome silhouette of the city, megopolis, cityscape on a background sunrise and a starry sky with copy space in watercolor sty

abstract architecture background black bright building card city cityscape concept copy cosmos dark darkness design fantasy galaxy gloom gradient horizon house illustration landscape light megapolis megopolis metropolis modern monochrome night outdoor panorama polis scene silhouette sky skyline skyscraper space star starry sty style sunrise sunset tower town universe urban view wallpaper watercolor white