Liu agreed that the competition is much more than simply presenting speeches.

"This is a very memorable journey," he said. "I've never thought that cultural communication can be this complicated, complex and rewarding."

Wu added: "This can give me an opportunity to see how different cultures can merge and meet, and this can facilitate my career in the future, I know what to do and how to do."

Fellow contestant Gureshidze said the experience definitely helps her broaden her horizon and understand other people's perspectives as well.