4189 - 2000-04-xx

Approved by michaelgreenhill

Locomotives in this photo

Copyright of the photo remains with the original author.

Aperture icon made by Bogdan Rosu from www.flaticon.com is licensed under CC BY 3.0

Exposure icon made by Freepik from www.flaticon.com is licensed under CC BY 3.0

Camera icon made by Daniel Bruce from www.flaticon.com is licensed under CC BY 3.0

Lens icon made by Freepik from www.flaticon.com is licensed under CC BY 3.0

ISO speed icon made by Yannick from www.flaticon.com is licensed under CC BY 3.0

Focal length icon made by Freepik from www.flaticon.com is licensed under CC BY 3.0