Packages of heroin seized after the Huangpu Customs of Guangdong cracked a series of heroin trafficking cases in October 2009 are incinerated in Humen, south China's Guangdong Province, on June 25, 2010. China's General Administration of Customs incinerated more than a tonne of smuggled drugs Friday here, on the eve of the 24th International Day Against Drug Abuse and Illicit Trafficking. [Xinhua]