Exhibition shows China's achievements in building a barrier-free society

Sun Xiaoyang, a wheelchair user who volunteered to help out at the hall on its inauguration day, said many self-service teller machines used to be positioned at a height that was inconvenient for wheelchair users.

"The screen would be very high and tilted upward at a 45-degree angle, which makde it impossible for wheelchair users to read the screen," he said, adding an adjustable camera on the machine makes it easier for facial recognition while seated in a wheelchair.