The image of a silhouette of a big city with the words "big city". I used an OCAL clipart called "Melbourne-skyline" uploaded by "netalloy".　　　　　　　　　　 Thanks.
大城市的圖標
big、black、city、icon、monochrome、netalloy、remix 59179、remix 218024、silhouette、white、yamachem
大、黑色、市、圖標、單色、netalloy、混音59179、混音218024、輪廓、白色、Yamache米
資料來源：openclipart ( https://openclipart.org/ )