epa08416931 Workers wear protective masks at a construction site in Moscow, Russia, 12 May 2020. Last week Moscow Mayor Sergei Sobyanin announced of resumption of work of industrial and construction enterprises in Moscow from 12 May, in accordance with implementation of measures to support the economy and the social sector, while the restrictions imposed due to coronavirus situation, on operation of most organizations, including city's parks, and demands on self-isolation for residents would still be valid until 31 May 2020. EPA/YURI KOCHETKOV