UFC Freedom 250 has kicked off on the White Houseโs South Lawn on President Trump's 80th birthday.
There are about 4,300 people in attendance for the event.
The UFC reportedly spent about $60 million on the event, along with $700,000 spent on grass repairs following the fights.
The "claw" in the middle is about 90 feet high above the octagon, weighing about 600 tons.