close-up of red ambulance sign. london, uk.

advertising signage sign downtown transport banner facade restaurant vehicle billboard building stadium road street city nhs ambulance ambulances accident emergency walkout strike staff striking paramedic care casualty crisis drivers response services entrance expertise front line frontline gmb health hospital illustrative editorial london service medical medics people nurses outdoor outdoors parking transportation treatment union unison university college urgency march 11th 2023:close-up red parked outside gower west concept action close-up sign uk