People gather at the Color Factory lobby and wait for their self-guided tour in Houston, Texas, the United States, on Dec. 23, 2019. Color Factory is an interactive art exhibition started in San Francisco in 2017, then expanded to New York in 2018. The more than 1,800 square-meter Houston location opened in late October. (Photo by Li Yijin/Xinhua)

A family enjoys themselves in the Color Me room at the Color Factory in Houston, Texas, the United States, on Dec. 23, 2019. Color Factory is an interactive art exhibition started in San Francisco in 2017, then expanded to New York in 2018. The more than 1,800 square-meter Houston location opened in late October. (Photo by Li Yijin/Xinhua)

A woman plays at the Thought Bubble room with her son at the Color Factory in Houston, Texas, the United States, on Dec. 23, 2019. Color Factory is an interactive art exhibition started in San Francisco in 2017, then expanded to New York in 2018. The more than 1,800 square-meter Houston location opened in late October. (Photo by Li Yijin/Xinhua)

People experience an interactive game at the Color Factory in Houston, Texas, the United States, on Dec. 23, 2019. Color Factory is an interactive art exhibition started in San Francisco in 2017, then expanded to New York in 2018. The more than 1,800 square-meter Houston location opened in late October. (Photo by Li Yijin/Xinhua)

People play in the ball pit collaborated with NASA and inspired by the Moon landing and the space at the Color Factory in Houston, Texas, the United States, on Dec. 23, 2019. Color Factory is an interactive art exhibition started in San Francisco in 2017, then expanded to New York in 2018. The more than 1,800 square-meter Houston location opened in late October. (Photo by Li Yijin/Xinhua)