exploiting tree sap - pine trees

exploiting tree sap - pine trees, forest, pine sap, pine trees, resin, tapping, tree sap, tree trunks exploiting tree sap - pine trees, forest, pine sap, pine trees, resin, tapping, tree sap, tree trunks

exploiting tree sap - pine trees

Tapping pine tree sap (Vietnam) - Between Tám Sơn and Yên Minh.­

forest
pine sap
pine trees
resin
tapping
tree sap
tree trunks
November 19, 2005