BRAZZAVILLE/XINING, Sept. 1 (Xinhua) -- "Hello everyone, I wish you a happy 2024-2025 academic year," wrote Mvey-Likibi Sylvie Le Roy, a student at the Confucius Institute at Marien Ngouabi University in the Republic of the Congo, in a letter in Chinese.
After carefully folding the letter, he placed it in a special envelope issued jointly by China and the Republic of the Congo earlier this year to commemorate th
