
A little boy holds a voice-activated robot during an activity to celebrate the upcoming International Children's Day in Xi'an, capital of northwest China's Shaanxi Province, May 31, 2017. (Xinhua/Wang Lipeng)
A little boy holds a voice-activated robot during an activity to celebrate the upcoming International Children's Day in Xi'an, capital of northwest China's Shaanxi Province, May 31, 2017. (Xinhua/Wang Lipeng)