A parent builds blocks with her daughter at science and technology museum in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, Aug. 10, 2014. Many children chose to spend their vacation in the science and technology museum here. (Xinhua/Zhang Ailin)
A child experiences a centrifugal machine at science and technology museum in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, Aug. 10, 2014. Many children chose to spend their vacation in the science and technology museum here. (Xinhua/Zhang Ailin)
