The 14th Street near U Street, a traditional African American neighborhood, is now lined up with hip restaurants and bars in this photo taken on Sunday

Liu addressed a reception celebrating the 68th anniversary of the founding of the People's Republic of China at the Chinese embassy on Wednesday

In 2000, with Cho's help, the Banyang Elementary School - in which she had studied - began teaching Chinese

"We hope the Congolese enterprises and Chinese enterprises will form a sound cooperation partnership," she said

The ambassador also said China will never recognize the DPRK as a nuclear state and opposes nuclear weapons anywhere on the Korean Peninsula