sexy_bum82 and Angeldemons of the educational website reddit reveal to us a cultural expression that those of us in North America and Europe may not be aware of. Yes, this is how Australians assemble a Christmas tree while in their homeland.
Australia is well within the southern hemisphere. So science teaches us that December 25 is during Australia's summer, so a fan is useful. Also, everything is upside down. And there are venomous snakes and spiders everywhere--probably wrapped inside these presents.