It's not a concert, Danny Boyle stressed. It's about the athletes.

So during the Opening ceremony the British flag flies among those of other countries participating in the 2012 Summer Olympics on Saturday.

India's Sushil Kumar carries the flag during the Opening Ceremony.

Wrestler Sushil Kumar, a bronze medallist at the Beijing Games, led the Indian contingent.

Great Britain's Chris Hoy carries the national flag as confetti surrounds the team during the Opening Ceremony.

China picked basketball player Yi Jianlian to carry its flag at the London Olympic Games opening ceremony.

But in future China mulls over a women flag bearer.

Shooter Bahia Al Hamad became the first Qatari woman to compete at the Olympics when she qualified in the 10 metre air rifle event.

Sohail Abbas, the highest goal scorer in the history of field hockey and captain of Pakistan Hockey team carries the flag during the Opening Ceremony at the 2012 Summer.

Wimbledon runner-up Poland's Agnieszka Radwanska carries the flag during the Opening Ceremony.

Mexico's Taekwondo player Maria del Rosario Espinoza carries the national flag during the Opening Ceremony.

Former tennis World No. 1 and the French Open winner Maria Sharapova carries Russia's flag during the Opening Ceremony.

Olympic champion and World record holder Usain Bolt waves Jamaica's flag during the Opening Ceremony.

There was doubt whether Caster Semenya would be able to run but she was given the ultimate honour of carrying South Africa's national flag during the Opening Ceremony.

Tennis World No. 2 Novak Djokovic carries Serbia's flag during the Opening Ceremony at the 2012 summer.

Spain's Pau Gasol carries the flag during the Opening Ceremony at the 2012 Summer.

Switzerland's tennis star Stanislas Wawrinka carries the flag during the Opening Ceremony.

The World fencing champion and two-time Olympic Gold Medalist Mariel Zagunis carries theUnited States's flag.