A man views the Lego artwork "Red Dress" by artist Nathan Sawaya during "The Art of the Brick" exhibition at Houston Museum of Natural Science in Houston, Texas, the United States, Dec. 7, 2019. (Photo by Yi-Chin Lee/Xinhua)

A woman views Lego artwork by artist Nathan Sawaya during "The Art of the Brick" exhibition at Houston Museum of Natural Science in Houston, Texas, the United States, Dec. 7, 2019. (Photo by Yi-Chin Lee/Xinhua)

Photo taken on Dec. 7, 2019 shows the Lego artwork "Dinosaur" by artist Nathan Sawaya during "The Art of the Brick" exhibition at Houston Museum of Natural Science in Houston, Texas, the United States. (Photo by Yi-Chin Lee/Xinhua)

Photo taken on Dec. 7, 2019 shows the Lego artwork "Dinosaur" by artist Nathan Sawaya during "The Art of the Brick" exhibition at Houston Museum of Natural Science in Houston, Texas, the United States. (Photo by Yi-Chin Lee/Xinhua)

Photo taken on Dec. 7, 2019 shows a Lego artwork by artist Nathan Sawaya during "The Art of the Brick" exhibition at Houston Museum of Natural Science in Houston, Texas, the United States. (Photo by Yi-Chin Lee/Xinhua)

Photo taken on Dec. 7, 2019 shows the Lego artwork "Crayons" by artist Nathan Sawaya during "The Art of the Brick" exhibition at Houston Museum of Natural Science in Houston, Texas, the United States. (Photo by Yi-Chin Lee/Xinhua)

Photo taken on Dec. 7, 2019 shows a Lego artwork by artist Nathan Sawaya during "The Art of the Brick" exhibition at Houston Museum of Natural Science in Houston, Texas, the United States. (Photo by Yi-Chin Lee/Xinhua)