Whether it is racism, sexism or ageism, most of us face prejudice in some domain. And it turns out that damaging stereotypes can significantly affect our intellectual abilities.
China's offensive 'blackface' skit intended to highlight the positive aspects of China-Africa relations, has done the opposite.
In China, like in other parts of the world, Africa is routinely treated as a single unit, erasing its linguistic, racial and cultural diversity.
Textbook language can influence thinking. So, what do some textbooks say on issues of race?