It was reported on December 10, local time that researchers found two sets of dinosaur footprints about 120 million years ago in the La Rioja region of northern Spain.

According to reports, scientists can calculate the running speed of a medium-sized carnivorous dinosaur through these two sets of footprints.

The picture shows researchers measuring the size of their footprints.


Release time: 2021-12-10 13:28:31 【Editor: Li Jun】