China’s slow economic march out of coronavirus lockdown faces a sweaty period ahead as temperatures around Beijing head north of 40 Celsius, prompting a heat warning for the first time in in nine years. Two days of temperatures over 40 C has never been recorded before since the China Meteorological Society began observing temperatures in 1951. Similarly high temperatures are forecast in an arc of other major cites south of Beijing including Shijiazhuang, Xiongan New Area and Xingtai. The heat h...