Demand for ivory from China has sparked a booming trade in smuggled ivory that is driving the unsustainable killing of elephants in Africa. <br /><br />In an effort to protect the animals, China has imposed a one-year ban on imports on African ivory carvings.<br /> <br />Britian's Prince William, who is on an official visit to China, will address the ivory trade issue on Wednesday while at an elephant rehabilitation centre in Yunnan Province.<br /><br />Al Jazeera's Adrian Brown reports from Beijing.<br /><br />More on our website: http://aljazeera.com<br />Follow us on Twitter: http://twitter.com/AJEngligh<br />Subscribe to our channel: http://bit.ly/AJSubscribe <br />Find us on Facebook: http://facebook.com/aljazeera
