Sanqian Pictures provides you with autumnal equinox mobile phone wallpaper pictures, including various autumnal equinox mobile phone wallpaper pictures, autumnal equinox high-definition mobile phone pictures, autumnal equinox picture materials, autumnal equinox mobile phone background pictures, and a collection of various autumnal equinox mobile phone pictures.The autumnal equinox is the sixteenth solar term of the twenty-four solar terms and the fourth solar term in autumn.