Siemens has replaced around 50 pedestrian traffic signals in the area around Trafalgar Square with new diversity images.To coincide with London's Pride celebrations, green walking symbols were changed to feature either green gender related symbols or a new holding hands design.The traffic signals were designed to show Transport for London's support for Lesbian, Gay, Bisexual and Trans (LGBT+) diversity in London.They were inspired by a similar set of traffic signals that were produced in Vienna last yea