People visit the Jurassic Quest exhibition in Dallas, Texas, the United States, on Dec. 8, 2019. Dinosaur exhibition Jurassic Quest is held in Dallas on Dec. 6 through Dec 8, 2019. More than 80 true-to-life size dinosaur and other animal models are on display. (Photo by Dan Tian/Xinhua)

A child rides a dinosaur model at the Jurassic Quest exhibition in Dallas, Texas, the United States, on Dec. 8, 2019. Dinosaur exhibition Jurassic Quest is held in Dallas on Dec. 6 through Dec 8, 2019. More than 80 true-to-life size dinosaur and other animal models are on display. (Photo by Dan Tian/Xinhua)

People watch dinosaur models at the Jurassic Quest exhibition in Dallas, Texas, the United States, on Dec. 8, 2019. Dinosaur exhibition Jurassic Quest is held in Dallas on Dec. 6 through Dec 8, 2019. More than 80 true-to-life size dinosaur and other animal models are on display. (Photo by Dan Tian/Xinhua)

A girl rides a dinosaur model at the Jurassic Quest exhibition in Dallas, Texas, the United States, on Dec. 8, 2019. Dinosaur exhibition Jurassic Quest is held in Dallas on Dec. 6 through Dec 8, 2019. More than 80 true-to-life size dinosaur and other animal models are on display. (Photo by Dan Tian/Xinhua)

A father and his child watch a dinosaur model at the Jurassic Quest exhibition in Dallas, Texas, the United States, on Dec. 8, 2019. Dinosaur exhibition Jurassic Quest is held in Dallas on Dec. 6 through Dec 8, 2019. More than 80 true-to-life size dinosaur and other animal models are on display. (Photo by Dan Tian/Xinhua)

A girl plays with a dinosaur model at the Jurassic Quest exhibition in Dallas, Texas, the United States, on Dec. 8, 2019. Dinosaur exhibition Jurassic Quest is held in Dallas on Dec. 6 through Dec 8, 2019. More than 80 true-to-life size dinosaur and other animal models are on display. (Photo by Dan Tian/Xinhua)

A mother and her child watch a dinosaur model at the Jurassic Quest exhibition in Dallas, Texas, the United States, on Dec. 8, 2019. Dinosaur exhibition Jurassic Quest is held in Dallas on Dec. 6 through Dec 8, 2019. More than 80 true-to-life size dinosaur and other animal models are on display. (Photo by Dan Tian/Xinhua)