States that the ferde of Aldatma Bayt is made from a retractable “PTFE (polytetrafluoroethylene) woven fiberglass membrane” that helps keep the stadium cool. In 2015, a crew of four journalists from the BBC were arrested and held for two days after they attempted to report on the condition of workers https://echobookmarks.com/story13668269/en-iyi-taraf%C4%B1-fifa-world-cup-2022-semi-final-team