advice alert announcement appropriate-behavior appropriate-behaviour be-careful beware black blue care careful cars caution communicating communication concern directions informing lookout monitored monitoring noted observant observed risk risks safety sign signs site-regulations speed vehicles warning warning-sign watch watch-out white clip art font icon line line art pictogram playing signage sport sports symbol tennis tennis pictogram ah1n1 animal danger epidemic epidemy flu H1N1 ill illness lethal man pig piglet roadsign sick sickness swine swine flu virus abstract best colors count counter digit First numbers one ready score second third simple square three two win winner winning coat of arm crown dynasty eagle emblem florian gate heraldic heraldry historic history king Krakow Poland shield wawel appropriate behavior appropriate behaviour be careful conditions handicap Look looking reserved wheelchair broken down car caught flooding HDR house lorry nature Nyberg rain road scenery stopped street tree urban van water consumption dangerous faucet health listen protect protection red risky rules tap undrinkable unhealthy rail railway railway-station railway-tracks trains