rocky blue gravel road pattern with specks of red mud

abstract angle architecture asphalt backdrop background black blue building canvas close-up closeup cobblestone construction crushed design detail fine floor flooring freeway frost garden geology granite gravel gray ground highway industrial industry ingredient line material modern mud natural pattern pavement pea pebble red road roadway rock rocky rough route rubble sand sidewalk small soil specks stone stones stonewall structure supply surface tarmac texture textured traffic transit transportation wall wallpaper