Children enjoy themselves at Guangxi Science and Technology Museum in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, Nov. 15, 2020. Various activities in Guangxi Science and Technology Museum help spark children's interests in technology. (Xinhua/Cao Yiming)

A boy enjoys himself at Guangxi Science and Technology Museum in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, Nov. 15, 2020. Various activities in Guangxi Science and Technology Museum help spark children's interests in technology. (Xinhua/Cao Yiming)

Children enjoy themselves at Guangxi Science and Technology Museum in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, Nov. 15, 2020. Various activities in Guangxi Science and Technology Museum help spark children's interests in technology. (Xinhua/Cao Yiming)

Children enjoy themselves at Guangxi Science and Technology Museum in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, Nov. 15, 2020. Various activities in Guangxi Science and Technology Museum help spark children's interests in technology. (Xinhua/Cao Yiming)

A boy looks at a plasma ball at Guangxi Science and Technology Museum in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, Nov. 15, 2020. Various activities in Guangxi Science and Technology Museum help spark children's interests in technology. (Xinhua/Cao Yiming)