Commuters wearing face masks walk on a platform in the main train station in Frankfurt, Germany, Tuesday, March 2, 2021. German politics discusses further steps to avoid the outspread of the coronavirus. (AP Photo/Michael Probst)

German army soldiers wearing face masks walk through the main train station in Frankfurt, Germany, Tuesday, March 2, 2021. German politics discusses further steps to avoid the outspread of the coronavirus. (AP Photo/Michael Probst)

German police officers wearing face masks walk through the main train station in Frankfurt, Germany, Tuesday, March 2, 2021. German politics discusses further steps to avoid the outspread of the coronavirus. (AP Photo/Michael Probst)

Commuters wearing face masks walk on a platform in the main train station in Frankfurt, Germany, Tuesday, March 2, 2021. German politics discusses further steps to avoid the outspread of the coronavirus. Letters an train read "please disembark". (AP Photo/Michael Probst)