no littering,no admittance

no littering 严禁乱扔垃圾 4. no leaning 严禁倚靠 5.
no littering signs by state (101959)
no littering. no eating or drinking. no smoking.
西安地铁"勿乱丢垃圾(no littering)".
no littering.,no shouting.,no parking.,no swimming.,no photos.