Douglas tree
A participant looks at a section of an 1158-year-old Douglas tree April 10, 2002 inside the 6th Annual Conference on Biological Diversity conference entitled "Vital World, Life on the Line" at The Hague. The conference main focus is on forest biological diversity and invasive alien species that threaten ecosystems, habitats or species. The world's virgin forests are rapidly disappearing and it is said that these forests are home to numerous resources for the pharmaceutical industry. (Photo by Michel Porro/Getty Images)