There are broadly 150 indigenous language groups but only about 14 are still in common use.
If you've worked for a single company/system for 7 years you get a bonus 6 weeks 'long-service' leave.
We have a native cherry that grows inside out called a cherry ballart.
Our cuisine is really varied depending on your geography with a lot of soth East Asian influences. Most people will make stir-fry reasonably often and we have our own variations of sushi and dim sum which would offend most Japanese or Chinese people.