Historical information
The photograph is associated with Harry Holmes who was a member of the Australian Imperial Force based in Egypt at the time. Egypt was a major base for the AIF from December 1914. A number of campaigns were fought in this theatre. There were two campaigns involving the AIF. Note that not all the fighting was actually geographically in Egypt. (http://www.aif.adfa.edu.au:8888/about3.html)
Physical description
A team of eight camels, teamsters and Howistzer, and a large tent.
Inscriptions & markings
Verso - 'A team of eight camels yoked in an five inch Howistzer taken at [censored in blue].