crop circles on green grass, sacred geometry, esoteric flower of life, mystical sign on green backgroun

agriculture alien background circle circles circular communication concentric crop crops esoteric extraterrestrial field flower geometric geometry grass green illustration inca incredible isolated land landscape life mandala meadow message mysterious mystery mystical nature new occult paranormal pattern round sacred scenic science sign spiral star strange strip striped strips symbol texture tribal ufo unbelievable unidentified vector vegetation wheat yellow