The International Olympic Committee and the Japanese government postponed the Games last month until July 2021 because of the impact of the coronavirus outbreak.
Head of the Japan Medical Association said that it will be difficult for Tokyo to host the Olympics next year without an effective vaccine
Estimates in Japan put the overall cost of the postponement at USD 2 billion-USD 6 billion.
Tokyo 2020 will now keep the flame in an undisclosed location to prevent people from gathering, Tokyo organizers said in a statement to the Associated Press.
The flame will stay on display in the J-Village until April 30 before being moved to Tokyo. Organisers have not yet decided where in the Japanese capital it will be displayed.
"The new dates of the Tokyo Olympic and Paralympic Games mean we are faced with a special situation where the Summer Games and Winter Games are to be held in half-a-year" a Beijing 2022 official told Xinhua news agency.
Some in the IOC acknowledge athlete power was key in this unprecedented postponement, signalling a challenge to the body's supremacy.
This year's games were scheduled to open on July 24 and close on August 9, but the near exact one-year delay will see the rescheduled closing ceremony on August 8.
Courtesy of COVID-19, sporting events from across the world have been cancelled or rescheduled. Since it's initial postponement news, we now have more insights about the Olympics' 2021 delayed schedule.
"I think perhaps there will be some kind of communication from (IOC) President (Thomas) Bach this week" - Tokyo 2020 chief Yoshiro Mori
In a statement posted on the body's Twitter handle, IOA Secretary General Rajeev Mehta said "we are deeply grateful to all the front-line workers who are risking their lives to fight this pandemic."
Given the ongoing pandemic and need for preparation time, the most likely plan would be for the Games to begin on July 23, 2021, public broadcaster NHK said, citing sources within the organizing panel.
“The games are meant to be in summer, so we should be thinking of a time between June and September” Japanese news agency Kyodo reported Mori saying on March 28.
Through interviews with more than a dozen people involved in the process over recent weeks, Reuters has pieced together an account of the frenetic days that led to the announcement of the Olympics postponement.
"We must decide this soon, otherwise it will be hard to decide on other things to follow" - Toshiro Muto, the CEO of the organizing committee.
Yadav was handed a four-year doping ban just hours before his first bout at the Rio Olympics after the WADA won its appeal against an earlier exoneration.
"One by one, we need to ensure the problems we face can be solved" Tokyo 2020 CEO Toshiro Muto.
"Congratulations to Prime Minister Abe of Japan, and the IOC, on their very wise decision to present the Olympics in 2021" Trump tweeted.
John Coates, the IOC's Coordination Commission chief for Tokyo, told the Yomiuri the Games would have to be held between the tennis Grand Slams of Wimbledon, slated to end in mid-July, and the U.S. Open, which starts in late August.
The Osaka Corona Hotel in western Japan has been eerily quiet and empty the past few weeks.
Three other times, the games were canceled altogether because of World War I (1916) and World War II (1940 and 1944) — and in those latter two quadrennials, both the Summer and Winter Games were shelved.
When the BCCI postponed the IPL to April 15 earlier this month, it said conducting the tournament would only come into the picture if the pandemic subsides. However, there hasn't been any remarkable change in the situation with positive cases crossing the 500-mark in India, including 10 deaths.
"IOA welcomes the decision of IOC. Discussions were held by IOC with organisers and all stakeholders prior to this" IOA Secretary General Rajiv Mehta told PTI.
At the end of 2019, organizers estimated the total cost of the Games at around 1.35 trillion yen ($12.6 billion).
After much speculation and backing out of teams, the IOC have arrived to a decision after a conference with the Japanese Prime Minister