Self-employed physiotherapist Roman Pallesits explains an exercise to jiu-jitsu fighter Pawel who sits...
Self-employed physiotherapist Roman Pallesits explains an exercise to jiu-jitsu fighter Pawel who sits inside especially built plexiglass box as the spread of the coronavirus disease (COVID-19) continues in Vienna, Austria, March 31, 2020. REUTERS/Lisi Niesner