All pictures are CC-BY
About Photo : https://www.flickr.com/photos/145472109@N04/24600099067
When Photo : https://www.flickr.com/photos/54133975@N08/25660706418
Keynote Photo : https://www.flickr.com/photos/161855128@N08/38750885124
Sessions Photo : https://www.flickr.com/photos/147731466@N03/38898498101
Submit Photo : https://www.flickr.com/photos/63122283@N06/33974694364
Organisers Photo : https://www.flickr.com/photos/99460566@N06/38118143186
Credits Photo : https://www.flickr.com/photos/154606111@N05/25488488188
Conduct and Legal Stuff Photo : https://www.flickr.com/photos/37922399@N05/38662924294
Deadline photo : https://www.flickr.com/photos/73645804@N00/12280272683
Tags photo : https://www.flickr.com/photos/27532236@N00/39991866855
Categories photo : https://www.flickr.com/photos/49840171@N08/40941501841
Schedule photo : https://www.flickr.com/photos/25188498@N03/39123626860
Support photo : https://www.flickr.com/photos/46944516@N00/31663173937
Call for papers photo : https://www.flickr.com/photos/50196384@N05/46643907201
Help Photo : https://www.flickr.com/photos/45417428@N05/41374445662
Privacy Photo : https://www.flickr.com/photos/136770128@N07/42490133961