Australia is a welcoming and diverse country known for its unique cultural traditions. Some of its notable cultural facts include cab drivers who enjoy chatting with passengers, the annual "Muck Up Day" prank event at schools, and the popular "Australia Day" and "Triple J Hottest 100" music events. Australia's major cities that are home to most of its population are Canberra, Melbourne, and Sydney. Iconic Australian animals include kangaroos and koalas, and some of its most famous citizens are actors Chris Hemsworth, Margot Robbie, and Hugh Jackman.