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Pupils keep social distances before entering Eestinkallio primary school, as it re-opens after the lockdown due to the new coronavirus pandemic on May 14, 2020 in Espoo, Finland. - Finnish schoolchildren began returning to class after eight weeks of coronavirus lockdown despite warnings from the teacher's union it may not be totally safe for its staff or the children. The reopenings see pupils back at school for just over two weeks before the summer holidays begin in early June, with strict social distancing rules in place. (Photo by ALESSANDRO RAMPAZZO / AFP) (Photo by ALESSANDRO RAMPAZZO/AFP via Getty Images)

Pupils keep social distances before entering Eestinkallio primary school, as it re-opens after the lockdown due to the new coronavirus pandemic on May 14, 2020 in Espoo, Finland. - Finnish schoolchildren began returning to class after eight weeks of coronavirus lockdown despite warnings from the teacher's union it may not be totally safe for its staff or the children. The reopenings see pupils back at school for just over two weeks before the summer holidays begin in early June, with strict social distancing rules in place. (Photo by ALESSANDRO RAMPAZZO / AFP) (Photo by ALESSANDRO RAMPAZZO/AFP via Getty Images)