An employee of the public prosecutor's office, the Department of Criminal Evidence, looks at illegal drugs, which are to be set on fire in an incinerator, in Sanaa February 29, 2012. Yemeni authorities burned more than four tons of hashish and 4.6 million tablets of Captagon, which weighed 16kg (35 pounds). AFP PHOTO/ MOHAMMED HUWAIS (Photo credit should read MOHAMMED HUWAIS/AFP via Getty Images)