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. (Photos 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.

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.

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.

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.

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.

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.