Chinese President Hu Jintao had a busy schedule from Tuesday to Thursday, meeting with U.S. leaders on major bilateral and world issues in Washington. His diplomacy in the United States, however, turned somewhat light-hearted as he walked into a Chicago high school on Friday morning.

Addressing a symposium to mark the 10th anniversary of the Law on Standard Spoken and Written Chinese Language, Liu said popularizing the standard Chinese language is vital for "carrying out the Chinese culture, enhancing the country's soft power, national unification and unity among all ethnic groups."

While President Barack Obama met with Chinese leader Hu Jintao at the White House, first lady Michelle Obama took the opportunity to encourage students to study abroad in China, in hopes of strengthening ties with the economic powerhouse and fostering cross-cultural exchange.

The latest chapter in the long story of panda diplomacy was written at Washington’s National Zoo, where the Chinese government agreed to lengthen the “loan” of popular panda pair Mei Xiang and Tian Tian for another five years.

As Secretary Hillary Clinton stated last week, U.S.-China relations are now at “a critical juncture.” Public diplomacy plays a crucial role in steering this vital relationship in a positive direction.

China is extending its so-called panda diplomacy agreement with the United States, letting giant pandas stay at the Washington national zoo for another five years, a Chinese conservation official said on Wednesday.

As Secretary Hillary Clinton stated last week, U.S.-China relations are now at “a critical juncture.” Public diplomacy plays a crucial role in steering this vital relationship in a positive direction.

Wang Yi, minister of the Taiwan Affairs Office of the State Council, said on Tuesday the mainland and Taiwan should seize the opportunity to set up a systematic mechanism for cultural and educational exchanges.