FILE - In this Oct. 23, 2019, file photo, police forensic officers attend the scene after a truck was found to contain a large number of dead bodies, in Thurrock, South England. The discovery in England of the bodies of 39 people believed to be from China lays bare some crucial but sometimes overlooked facts about China's development as a rising global power that has elevated hundreds of millions of its citizens to the middle classes. (AP Photo/Alastair Grant, File)