Wurdi Youang — A survey of the arrangement showing the solar alignments contained within Original publication: D.W. Hamacher and R.P. Norris (2011) Bridging the Gap through Australian Aboriginal Astronomy. In "Archaeoastronomy & Ethnoastronomy - Building Bridges Between Cultures", edited by C.L.N. Ruggles, Cambridge University Press, pp. 282-290.Immediate source: http://aboriginalastronomy.blogspot.com.au/2011/03/wurdi-youang-aboriginal-stone.html
Photo Credit: By Ray P. Norris - Fair use, https://en.wikipedia.org/w/index.php?curid=38675934