attention beware bilingual black danger directions english forbidden german isolated Multilingual passing pictogram plate platform rail railway security sign station track train trains transport transportation warning yellow blue cautiously cripple cross delicate direction disabled person female gender glass glossy gray green invalid male man mark phone pictograph receiver red symbol token web woman access advice availability communicating communication convenience information informative informing ladies-and-gents loo personal public public-convenience public-toilet rest-rooms sanitation signs toilet toilets wc appropriate behavior appropriate behaviour cigarettes environment health health risk no smoking no smoking sign not allowed not permitted penalties permission denied pollution prohibited prohibition unhealthy Balearic Islands bend coast coastal conifers drop hazard limestone majorca Mallorca mediterranean mountain nature pines road rock rocky sea slope Spain travel trees trunk water announcement announcing items letter-box letters limitations limited mail mail-box no-advertising post-box postage postal request unsolicited unwanted white