It might seem puzzling that Asia's getting three Olympics in a row. South Korea has the 2018 Winter Games, Japan has the 2020 Summer Games, and China has the 2022 Winter Games. Shouldn't the International Olympic Committee spread the wealth a bit more?
It's not that simple, because Olympics host city selection is a complicated interplay between the political and economic environments of the world when the host city selection process is playing out. This run of Olympics is happening in Asia largely because of the financial crisis in 2008.
The bidding for the 2018 games began in the summer of 2009.