A back hoe destroys confiscated smuggled elephant tusks at the Parks and Wildlife center in Quezon City, Metro Manila on June 21, 2013. The Philippine government destroyed on Friday at least five tonnes of smuggled elephant tusks, making the Philippines the first country in Asia to conduct physical destruction of massive ivory stockpiles in support of government efforts to stamp out illegal wildlife trade, a statement from Department of Environment and Natural Resources said. [Photo/Agencies]

A road roller crushes smuggled elephant tusks, that had been confiscated, at the Parks and Wildlife center in Quezon City, Metro Manila on June 21, 2013. [Photo/Agencies]