Reuters: Heavy snow hit Beijing on Sunday, stranding thousands of passengers at the Chinese capital’s main airport and casting an unusual quiet over normally busy streets as people stayed out of the freezing weather. More than 80 percent of flights at Beijing’s Capital International Airport, the country’s busiest, were canceled or delayed, state television said, with only one of its three runways open. Airports in the nearby cities of Tianjin, Hohhot and Shijiazhuang closed completely, …