Enter the Hall of Biodiversity, and the Spectrum of Life comes alive before your eyes, revealing the variety of Earth's living things. The life-size Dzanga-Sangha Rainforest, complete with sounds and smells, displays a vast array of species inhabiting and interacting within one ecosystem. And the Resource Center corridor, featuring the "Transformation of the Biosphere" and "Solutions" walls, offers an in-depth exploration of the many values of and threats to biodiversity, and the varied ways individuals and organizations are working to preserve the world's species and ecosystems. This hall expands the Museum's efforts to alert the public to the critical roles biodiversity plays in sustaining life as we know it, and to the ecological crisis we now face.