Tokyo's skyline goes as far as the eye can see, but from the air, the $1.5 billion stadium built for the 2020 Olympics stands out in the Japanese capital's urban sprawl.
It can hold nearly 70,000 people, but for Friday night's opening ceremony, most seats will be empty. Organizers said only about 950 VIPs will attend.
CNN toured Tokyo via helicopter to see the stadium from above. Watch here: