roundabout overgrown with perennial or annual mixture of flowers. blue flowers resemble a meadow. the sloping curb and cubes prote

annual arrow asphalt blossom blue circle cobblestone crossroads cubes curb design ecological flax flowers garden gardening granite grass gray green hill kerb landscape linum meadow mixture ornamental outdoor overgrown papaver park perene perennial plantation prairie prote protection red resemble road rock round roundabout safety sign sloping stone street sunlight sunset traffic truck urban white