Dublin, Ireland - September 17, 2016: A Dublin Area Rapid Transit electric passenger train runs along the seafront at Booterstown in the southern suburbs of Dublin.
London, England, UK - January 16, 2018: Traffic rushes past Great Portland Street London Underground station in central London at night.
London, England, UK - February 9, 2018: A cluster of bright yellow Ofo bikes are parked outside Farringdon tube station, part of a wave of dockless bike hire programmes being trialled in central London.