Australians usually address people by their first name if younger, or Mr/Mrs/Ms plus surname if older. Casual greetings include hello and hi, while formal ones are good morning/afternoon. Australians prefer about a meter of personal space and dress casually unless formal attire is required. In China, costumes have evolved with integration between the country's 56 nationalities. Costumes differed between dynasties and periods, and Chinese minority costumes are brightly colored, finely crafted, and emphasize detailed adornment, with styles varying sharply between minorities. Chinese folk costumes are deeply rooted in folk life and customs, with strong local characteristics and vitality. Modernization is adding colorful costumes and adornment to daily life in China