Tokyo's turbulent countdown

As the Games pass the 100-days-to-go mark, difficulties and uncertainties abound for host Japan

When Japan won the bid to host the Olympics eight years ago, it billed Tokyo as a reliable and secure location, contrasting it with rivals struggling with finances and political instability.

But 100 days before the start of the Games, organizers face a deluge of challenges and growing uncertainty as the pandemic rages around the world, affecting decisions on everything from athlete safety to spectator numbers to ticket sales.