ROUGH CUT. (NO REPORTER NARRATION).<br/> <br />STORY: Denmark's Princess Mary and Prince Frederik visited the Australian Twin Registry at the Sydney Children's Hospital on Saturday (October 26), on the third of their five-day-trip to Australia.<br/> <br />Twins Charlotte and Lillian Harding greeted the royal couple and gave them a bouquet of pink and purple flowers.<br/> <br />"It was pretty amazing because it's my first time meeting a princess," said Lillian Harding.<br/> <br />Princess Mary who has twins Prince Vincent and Princess Josephine and two other children, Prince Christian and Princess Isabella, is an international patron of the Australian Twin Registry.<br/> <br />The Australia-born Princess and her husband arrived in Sydney on Thursday (October 24) to take part in the Sydney Opera House's 40th anniversary celebrations.<br/> <br />The Sydney Opera House was designed by Danish architect Jørn Utzon.
