Here in Botswana, we have a Chinese corner for students to improve their speaking skills. These learners are very passionate about the language, because many plan to do business in China," Pu said.

GABORONE, BOTSWANA — A Botswanan official said this week the nation will no longer issue work permits to foreign teachers and truck drivers in order to protect local jobs.

Yet Botswana does not sparkle as brightly as it used to. The price of natural diamonds, which make up more than 80% of exports, has slumped by about 30% over the past three years.