Photo taken on May 6, 2021 shows French and Arabic versions of Moroccan sinologist Nasser Bouchiba's new book in Rabat, Morocco. Moroccan sinologist Nasser Bouchiba recently presented his new book "History of the Relations between Morocco and China (1958-2018)" at the Chinese Cultural Center in Rabat. (Xinhua/Chen Binjie)

Moroccan sinologist Nasser Bouchiba presents his lastest work during a book launch in Rabat, Morocco, on May 6, 2021. Moroccan sinologist Nasser Bouchiba recently presented his new book "History of the Relations between Morocco and China (1958-2018)" at the Chinese Cultural Center in Rabat. (Xinhua/Chen Binjie)

Moroccan sinologist Nasser Bouchiba (C) presents his lastest work to Chen Dongyun (2nd L), cultural counselor of the Chinese Embassy in Morocco, during a book launch in Rabat, Morocco, on May 6, 2021. Moroccan sinologist Nasser Bouchiba recently presented his new book "History of the Relations between Morocco and China (1958-2018)" at the Chinese Cultural Center in Rabat. (Xinhua/Chen Binjie)