Which creature originating in China increases its size 10,000 times, lays 500 eggs in 5 days and eats 3,500 pounds of the same diet during its one-month long life?

China's railway system has received significant attention in recent years for its growing high-speed network. However, the country's older and slower “green trains” remain a crucial transportation option for millions of people annually.

Deep in the heart of China exists a thriving ecosystem of rare wildlife that live in the shadow of a lava plateau with more than a dozen small volcanoes. While this area is a nature-lover’s paradise, some of its protected animals are at risk of being hunted, and efforts are currently underway to safeguard the region's unique species.