The Tokyo Olympics, involving about 11,000 athletes from over 200 countries and regions, get under way under unprecedented conditions caused by the coronavirus pandemic. Here is a selection of photos of the opening ceremony at the National Stadium and other related events.


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Photo taken July 23, 2021, shows the National Stadium, just ahead of the opening ceremony of the Tokyo Olympics. (Kyodo)==Kyodo

Performers take part in the opening ceremony of the Tokyo Olympics at the National Stadium in Tokyo on July 23, 2021. (Kyodo) ==Kyodo
 
Fireworks soar above the National Stadium during the opening ceremony of the Tokyo Olympics on July 23, 2021, in Tokyo. (Kyodo) ==Kyodo

Performers take part in the opening ceremony of the Tokyo Olympics at the National Stadium in Tokyo on July 23, 2021. (Kyodo) ==Kyodo

Performers take part in the opening ceremony of the Tokyo Olympics at the National Stadium in Tokyo on July 23, 2021. (Kyodo) ==Kyodo

Fireworks soar above the National Stadium during the opening ceremony of the Tokyo Olympics on July 23, 2021, in Tokyo. (Kyodo) ==Kyodo

Fireworks soar above the National Stadium during the opening ceremony of the Tokyo Olympics on July 23, 2021, in Tokyo. (Kyodo) ==Kyodo

Popular singer Misia sings the Japanese national anthem at the opening ceremony of the Tokyo Olympics at the National Stadium in Tokyo on July 23, 2021. (Kyodo) ==Kyodo

Japan's delegation enters the National Stadium for the opening ceremony of the Tokyo Olympics on July 23, 2021, in Tokyo. (Kyodo) ==Kyodo
 
The U.S. delegation marches during the opening ceremony of the Tokyo Olympics at the National Stadium on July 23, 2021, in Tokyo. (Kyodo) ==Kyodo
China's delegation marches during the opening ceremony of the Tokyo Olympics at the National Stadium on July 23, 2021, in Tokyo. (Kyodo) ==Kyodo

Performers take part in the opening ceremony of the Tokyo Olympics at the National Stadium in Tokyo on July 23, 2021. (Kyodo) ==Kyodo

Performers take part in the opening ceremony of the Tokyo Olympics at the National Stadium in Tokyo on July 23, 2021. (Kyodo) ==Kyodo
 
Performers take part in the opening ceremony of the Tokyo Olympics at the National Stadium in Tokyo on July 23, 2021. (Kyodo) ==Kyodo

An Olympic logo appears in the center of the National Stadium in Tokyo during the opening ceremony of the Tokyo Olympics on July 23, 2021. (Kyodo ==Kyodo
 
Fireworks soar above the National Stadium during the opening ceremony of the Tokyo Olympics on July 23, 2021, in Tokyo. (Kyodo) ==Kyodo

A Japanese flag enters the National Stadium in Tokyo for the opening ceremony of the Tokyo Olympics on July 23, 2021. (Kyodo) ==Kyodo
 
The Tokyo Olympics opening ceremony is held at the National Stadium in Tokyo on July 23, 2021. (Kyodo) ==Kyodo
 
Tennis player Naomi Osaka is pictured after lighting the Olympic cauldron during the opening ceremony of the Tokyo Olympics at the National Stadium in Tokyo on July 23, 2021. (Kyodo) ==Kyodo

The five Olympic rings are formed with smoke by the Japanese Air Self-Defense Force's Blue Impulse aerobatic team in the skies over central Tokyo on July 23, 2021, ahead of the Tokyo Olympics opening ceremony later in the day. (Kyodo) ==Kyodo

The Japanese Air Self-Defense Force's Blue Impulse aerobatic team flies over Tokyo Tower in central Tokyo on July 23, 2021, ahead of the Tokyo Olympics opening ceremony later in the day. (Kyodo) ==Kyodo

People near National Stadium in central Tokyo take pictures of the Japanese Air Self-Defense Force's Blue Impulse aerobatic team flying on July 23, 2021, ahead of the Tokyo Olympics opening ceremony later in the day. (Kyodo) ==Kyodo

People gather near the venue of the Tokyo Olympic flame arrival ceremony in the Japanese capital on July 23, 2021, calling for the cancellation of the Summer Olympics. The opening ceremony is set to take place later in the day. (Kyodo) ==Kyodo

People gather near the venue of the Tokyo Olympic flame arrival ceremony in the Japanese capital on July 23, 2021, calling for the cancellation of the Summer Olympics. The opening ceremony is set to take place later in the day. (Kyodo) ==Kyodo
 
A woman shows a sign reading "1,359" -- the number of coronavirus cases in Tokyo on the day of the Olympic opening ceremony, and "zero" -- the day remaining until the games-- on a street in Tokyo on July 23, 2021. (Kyodo) ==Kyodo

Protesters (R) calling for the cancellation of the Olympics amid the coronavirus pandemic face off with police near Tokyo's National Stadium on July 23, 2021, the day of the games' opening ceremony. (Kyodo)==Kyodo