Chinese, Greek experts preserve dinosaur footprints in Beijing
By Huang Jingjing
People's Daily app
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An expert from Greece clears the cement used to heal cracks on October 15, 2018 to preserve dinosaur footprints at a geological park in Yanqing, Beijing, capital of China.
The preservation project is conducted jointly by Chinese and Greek experts.
Fossilized dinosaur footprints in the park.
More than 170 fossilized dinosaur footprints formed 150 million years ago were discovered in the park.
Preservation experts work on the fossils.
An aerial view of the rock with fossilized dinosaur footprints.
An expert injects chemicals into a crack to make it weather-resistant and waterproof.
An expert tries to cover a crack with cement to reinforce the fossils. (Photos: Xinhua)