King Charles, the only British monarch who has spent time living in Australia, arrives on Friday for his inaugural visit to an overseas realm as sovereign, his first major foreign trip since being diagnosed with cancer.

King Charles is said to be fighting off a “great risk” by choosing to take Queen Camilla on his royal tour to Australia on October 18 this week.Besides other challenges, the two will be facing one unique difficulty as there

It is the first time since Charles assumed the throne that he will visit one of the 14 countries outside the U.K. where he is head of state.