The scientists discovered residual traces of red blood cells and connective tissue in dinosaur fossil foundations of 75 million years old.
Paleontologist Zhang Jianping of the Chinese University of Geology said the footprints of the first dinosaur imprinted in the city were found. According to Mr. Zhang, these
German scientists have unearthed intact dinosaur skeletal bones up to 98% dating back 135 million years.
Chinese and American archaeologists found about 60 fossil populations of dinosaur footprints at Ma Lang Mountain in China.