A policeman stands befoe a pile of ivory waiting to be crushed as workers destroy ivory during a public event in Dongguan, south China's Guangdong province on January 6, 2014. China crushed a pile of ivory reportedly weighing over six tonnes on January 6, in a landmark event aimed at shedding its image as a global hub for the illegal trade in African elephant tusks.   CHINA OUT     AFP PHOTO        (Photo credit should read AFP/AFP/Getty Images)