A view of the site where dinosaur fossils were found in Laojun village, Pu'an township, Yunyang county, Southwest China's Chongqing municipality, which announced the discovery on Wednesday. The dinosaur fossils are from at least five species and concentrated in a wall 150 meters long, 2 meters deep and 8 meters tall, close to a branch of the Yangtze River. An expert said the findings in Pu'an helps research into the evolution of dinosaurs. [Photo/China News Service]