We have used photos, icons and graphics which are free to use under various Creative Commons ‘by attribution’ licences. All works are copyright of the attributed creator.
- https://www.flickr.com/photos/clogsilk/13964106349
- https://www.flickr.com/photos/johnas/677482964/
- https://www.flickr.com/photos/fotologic/3151015061
- https://www.flickr.com/photos/londonmatt/26436500386
- https://www.flickr.com/photos/70554893@N00/12474334343
- https://www.flickr.com/photos/dgeezer/4008639871
- https://www.flickr.com/photos/clogsilk/7529883472
- https://www.flickr.com/photos/dgeezer/4006119426
- https://www.flickr.com/photos/adders/43556668
- https://www.flickr.com/photos/clogsilk/29515983552/
- https://www.flickr.com/photos/clogsilk/13964106349
- https://www.flickr.com/photos/clogsilk/155741720
- https://www.flickr.com/photos/34085730@N06/24570460134