http://www.thisiscolossal.com/2013/02/shattered-glass-animals-by-marta-klonowska/

Four years in the making with the help of 150 artists, in commemoration of WW1.

edition.cnn.com/style/article/pantheon-de-la-guerre-wwi-painting/index.html

A panoramic canvas measuring 402 feet (122 meters) around and 45 feet (13.7 meters) high. It contained over 5,000 life-size portraits of war heroes, royalty and government officials from the Allies of World War I.

Partial section upload:

http://afrodesiacworldwide.tumblr.com/post/129332978218/afrodesiacworldwide-blackfenrir

http://mentalfloss.com/article/74655/artist-redraws-cartoon-characters-other-artists-styles

http://www.cuded.com/2015/09/street-art-by-noe-two/

https://malicious-monkey.deviantart.com/art/Rhinoceros-Beetle-172349829