Richard and Kiah are part of a group of just a few hundred Australians who speak a made up language called Esperanto.
In the 1870s a man named Ludwig Zamenhof from Bialystok, or what is now Poland, discovered there were four different language groups in his village.
There was Russian, Polish, Yiddish and German and they all stuck to their language groups and they never talked to each other.
There was always fighting and Zamenhof thought he could create a language where everyone could talk. He hoped Esperanto would not just bring the village together but the world.
Zamenhof wanted to create a universal second language to bring about world peace - one that came from nowhere but could be spoken by anyone, anywhere. So naturally, it's quite easy to learn.
Esperanto is a mix of French, English, Spanish, German and Slavic languages making it easy to pick up.
It's phonetic and has much fewer words than other languages.
Esperanto is considered one of the most successful constructed languages ever and it's estimated there are anywhere between 10,000 to 2 million Esperanto speakers around the world - the majority of which are in Europe.
There are also thousands of books, songs and films produced in the language.
Nowadays, Esperanto is taught and spoken primarily online, creating a very niche network of people.
But why haven't more people heard of it?
The truth is, Esperanto is not really needed. The world is far more interconnected now than it was 100 years ago.
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