Inside Saudi Arabia's space-age $1BILLION stadium for 2034 World Cup: designed by Man United's architects on top of a cliff with its own lake, a slide-away stand and covered in video boards

EXCLUSIVE BY MIKE KEEGAN: Welcome to Qiddiya City, on the outskirts of Riyadh, soon to be home of one of the most distinct stadiums in the world - perched 650ft in the air.