A visitor experiences a product during the 6th China International Senior Services Expo in Beijing, capital of China, Aug 4, 2017. The 6th China International Senior Services Expo (CISSE) kicked off in Beijing National Convention Center on Aug 4. More than 200 social organizations, institutions and enterprises from over 20 countries and regions attended the exhibition. [Photo/Xinhua]
A staff introduces a nursing bed to a visitor during the 6th China International Senior Services Expo in Beijing, capital of China, Aug 4, 2017. [Photo/Xinhua]
A staff member shows a video calling robot during the 6th China International Senior Services Expo in Beijing, capital of China, Aug 4, 2017. [Photo/Xinhua]
An elderly uses an anti-gravity treadmill during the 6th China International Senior Services Expo in Beijing, capital of China, Aug 4, 2017. [Photo/Xinhua]
