Ancient Egyptian labourers who built the great pyramids may have died in excruciating pain after being poisoned, a new study has claimed. Although there is archaeological evidence showing how the Egyptian royalty of the time lived, little is known about ordinary workers and the method of how they may have built the pyramids remains a mystery. One possible explanation floated by scientists suggests a thriving tool-making industry could have expedited the deaths of thousands of workers. In 2019, geochemists from France’s Aix-Marseille Université (amU) discovered the presence of copper in high qu…