Covid-19 testing booths were removed in Beijing on Friday, while Shenzhen followed other cities in announcing it would no longer require commuters to present their test results to travel, as an easing of Covid restrictions in China gathered pace. As daily cases hovered near all-time highs, some cities took steps to loosen coronavirus testing requirements and quarantine rules as China looks to make its zero-Covid policy more targeted amid an economic slowdown and public frustration that has boiled over into unrest. Cities including Guangzhou and Beijing have taken the lead in making changes. On Saturday, the southern city of Shenzhen...