Image: Arbor Day
A group of men and boys, many carrying shovels and spades, prepare to take part in Arbor Day celebrations, c. 1918
Citation: 

Image courtesy of the State Library of South Australia, SLSA: PRG 280/1/15/324, http://images.slsa.sa.gov.au/searcy/15/PRG280_1_15_324.htm, Public Domain