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At BJEV's battery swap stations, vehicles can get their empty batteries replaced by fully-charged ones within 90 seconds.

At DiDi, AI is enabling more convenient commutes, providing higher incomes for tens of millions of drivers and making travel safer for everyone, according to Jean Liu, president of Didi Chuxing.

At first there was only darkness and an enveloping silence underground, as a group of 13 coal miners found themselves cut off from the outside world by an accidental flood. They managed to move together to a spot of relative safety above the waterline. Then they waited.

At 7:30 a.m. everyday, more than 100 square dancers wearing wireless earphones start to dance in Guanyinqiao commercial district in the Southwestern municipality of Chongqing.

At PolyU, undergraduates practice their skills in the simulated hospital ward, responding to conditions generated by the master control room. The entire setting is intended to create an environment of high tension.