Across Australia Poster (image) University of Exeter Caption Camels played a significant role in the establishment of Australia's modern infrastructure, but rapidly lost their economic value in the early part of the 20th century and were either shot or released into the outback Credit James Northfield Heritage Art Trust © Usage Restrictions Only to be used to accompany this press release and story. Must credit 'James Northfield Heritage Art Trust ©.' Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.