The past few years have witnessed a great increase in various special installations and obstacle-free structures in Beijing,Shanghai,Tianjin,Guangzhou,Shenyang,Shenzhen and other large cities.

• 这几年，北京、上海、天津、广州、沈阳、深圳等大城市中，各种专门设置和建造的无障碍设施大为增加。