Expressed on 15 May, according to the Beijing daily newspaper, the Braille pilots in Beijing were used as a vehicle, and the passengers were not to be called, not to use a bar code, but to be able to lift the bar. It is understood that for the first time, the passengers opened the bus, requiring first-ever entry into the fingerprint. When handing over to the ring identification area, the identification area began to slash red lights and to take them into fingerprints, there was a need for con...