FIFA World Cup technologies including AI-powered limb-tracking and a stadium inspired by LEGO

Football fans now have only a few more days of waiting to endure before the men's FIFA World Cup finally commences in Qatar. After an agonising four-and-a-half-year gap since the last tournament, the host nation will kick off Qatar 2022 on Sunday against Ecuador in Al Khor. England, meanwhile, play their fist match against Iran the following day, as Gareth Southgate's men seek to finally bring it home after 56 years of hurt at the World Cup final on December 18. This year, players and fans alike will see a host of new technologies that have never been seen at a FIFA World Cup. Here's a look at the innovations at Qatar 2022, from AI-powered limb-tracking to a demountable stadium inspired by Lego.