The regional rivalry in East Asia will help make the 2020 Tokyo Olympics successful, according to a leading sports photographer who has documented the past 16 games.
Bob Martin, who has an exhibition of his work running in Tokyo, says Japanese organizers will be determined not to be outdone by their counterparts in China and South Korea.
China was widely praised for its staging of the 2008 Summer Games in Beijing, which will also host the 2022 Winter Games, as well as the 2014 Youth Olympics in Nanjing. Pyeongchang, in South Korea, delivered a well-received Winter Games in February.