IOC commission arrives in Tokyo
An IOC evaluation commission on Monday started its four-day visit of Tokyo as the capital attempts to land the 2020 Olympics.
Japan's prime minister Shinzo Abe has pledged his "fullest support" for Tokyo's bid.
Tokyo hosted the 1964 Games and Abe believes the success of that event means they are well placed to stage it once again, four years after Rio de Janeiro.
Having lost out to Rio for 2016, Tokyo this time finds itself up against Madrid and Istanbul.
Abe said: "Tokyo, in 2020, will inspire many others, just as Tokyo did before in 1964.
"In Asia, in 1964, Japan was a lone industrialiser and a lone democracy. So for the Japanese, the Olympic spirit became a mission that we must help the rest of Asia to grow.
"Soon, the questions we face now in Japan will be the same questions many others will face: for example, how best to rejuvenate an ageing society, how clean and clear you can keep your sky.
"That is why the Olympic torch must come to Tokyo again."
The IOC party, led by commission chairman Sir Craig Reedie, will take in visits to the proposed Olympic and Paralympic Village, the Ariake Arena, BMX course, velodrome and gymnastic centre, waterpolo arena and a selection of other settings including the Ariake Tennis Park.