Few individuals savor the sight of the world's busiest railway system more than Wang Wei, a 25-year-old photographer who's travelled thousands of kilometers to photograph China's trains. He has traveled 200,000 kilometers and snapped around 300,000 photos of all types of trains passing through various landscapes from plateaus and deserts to snowcapped mountains. For the feature story, please click here. [Photo by Wang Wei/photoint.net]