13-10-2018 - Deliveroo worker, Shopping Centre, Reading, Berkshire © John Harris

13-10-2018 - Deliveroo worker, Shopping Centre, Reading, Berkshire © John Harris

13-10-2018 - Deliveroo worker, Shopping Centre, Reading, Berkshire © John Harris

13-10-2018 - Deliveroo worker, Shopping Centre, Reading, Berkshire © John Harris

13-10-2018 - Ubereats delivery rider checking his App, Shopping Centre, Reading, Berkshire © John Harris

13-12-2016 - Deliveroo workers waiting for work, Leamington Spa, Warwickshire © John Harris

13-12-2016 - Deliveroo workers waiting for work, Leamington Spa, Warwickshire © John Harris

13-12-2016 - Deliveroo workers waiting for work, Leamington Spa, Warwickshire © John Harris

13-12-2016 - Deliveroo workers waiting for work, Leamington Spa, Warwickshire © John Harris

13-12-2016 - Deliveroo workers waiting for work, Leamington Spa, Warwickshire © John Harris

13-12-2016 - Deliveroo workers waiting for work, Leamington Spa, Warwickshire © John Harris

13-12-2016 - Deliveroo workers waiting for work, Leamington Spa, Warwickshire © John Harris

25-09-2016 - Deliveroo cycle courier, Liverpool © Jess Hurd

30-07-2016 - Deliveroo riders delivering takeaway food by bicycle Leamington Spa, Warwickshire © John Harris

30-07-2016 - Deliveroo riders delivering takeaway food by bicycle Leamington Spa, Warwickshire © John Harris

08-11-2010 - Engineering Club at Little Ilford School, Newham, London. © Philip Wolmuth

08-11-2010 - Engineering Club at Little Ilford School, Newham, London. © Philip Wolmuth

24-06-2008 - Eurostar Engineering Centre, Temple Mills, London © Duncan Phillips

01-09-2004 - Congolese using a traditionally made wooden bicycle used extensively in the eastern Congo region to transport people and goods to market. Goma, DR Congo 2004 © Boris Heger

04-03-2004 - Signs prohibiting cycling, skateboarding and dogs, and warning of CCTV © Paul Herrmann