报告：中国需求加剧象牙走私
Report: a quarter of ivory sold in Beijing and Shanghai shops illegal
Voice of America, December 9, 2014
CH:http://www.voachinese.com/content/china-illegal-ivory-trade-20141209/2551422.html
EN: http://www.voanews.com/content/reu-report-a-quarter-of-ivory-sold-in-beijing-shanghai-shops-illegal/2551357.html