$NIKKEI - Tokyo to host 2020 Olympic Games !!!"Much of the $3.9 billion construction budget is expected to go to the renovation of National Stadium and a retractable roof that looks like something from outer space. The Games also have a surplus fund of $4.5 billion that could be used right now to pay for 10 permanent new venues, the city's mayor said. " - one more tranche yen on the market. The structure will seek to reach new heights.