LONDON - Lack of talent has become the biggest challenge for the development of Confucius Institutes, Wang Yongli, deputy director-general of Hanban/Confucius Institute Headquarters, told China Daily.

Directors and teachers are vital for the sustainable development of Confucius Institutes, Wang said in an exclusive interview.

"Good teachers can make our Chinese courses more attractive, and make people in different countries and regions accept it more easily," Wang added.