A stand-up paddler and people on dinghies are seen during hot summer weather, as the spread of the coronavirus disease (COVID-19) continues, on the Limmat River in Zurich, Switzerland August 9, 2020. Seen in the background is the 118-metre-high (387 ft) Kornhaus Zurich, a grain silo tower of Swissmill. REUTERS/Arnd Wiegmann