A unit of 15 smart traffic robots hit the streets of Hangzhou on day one of the May Day holiday, quickly becoming one of the city's hottest sights. Deployed across key areas, from scenic spots to busy commercial zones and major roads, they team up with officers to direct traffic

A unit of 15 smart traffic robots hit the streets of Hangzhou on day one of the May Day holiday, quickly becoming one of the city's hottest sights. Deployed across key areas, from scenic spots to busy commercial zones and major roads, they team up with officers to direct traffic

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