Pages ("All petitions").

Photo by Kruno Knezevic. CC-BY.

https://www.freeimages.com/photo/pages-1143484

On top of the world ("Top petitions").

Photo by Cristopher Bruno. CC-BY.

https://www.freeimages.com/photo/on-top-of-the-world-1499830

Laptop ("Responded Petitions").

Photo by Bruno Neves. CC-BY.

https://www.freeimages.com/photo/laptop-1240909

Kitten ("New Petitions").

Photo by Ula Kapala. CC-BY.

https://www.freeimages.com/photo/funny-kitten-5-1484919

Open sign ("Open Petitions").

Photo by Aaron Murphy. CC-BY.

https://www.freeimages.com/photo/open-sign-1445270

Area closed ("Closed Petitions").

Photo by Pam Brickey. CC-BY.

https://www.freeimages.com/photo/closed-1526945

Rejected file ("Rejected Petitions").

Image by Nick Youngson. CC-BY-SA.

http://www.nyphotographic.com

via Alpha Stock Images

WG Grace ("Big Hitters").

Photo by E Hawkins. Public domain.

Via Wikimedia Commons

House of Commons in 1884 ("Debate threshold reached").

Engraving by H Melville. Public Domain.

Britain from space ("Wide Support").

Image by NASA via Rawpixel. CC0.

https://www.rawpixel.com/image/441780/free-photo-image-nasa-earth-nasa-globe

Tumbleweed ("Tumbleweed Alley").

Photo by Luismi Sanchez. Unsplash Licence.

https://unsplash.com/photos/ZiuL3lWgQiM

Graph ("Petition Statistics").

Photo by Krzysztof Baranski. CC-BY.

https://www.freeimages.com/photo/graph-1-1477514