A view shows a Soviet-made rotary dredge with the productivity rate of 5,250 tons of processed coal a day during operations at the Beryozovsky opencast colliery, owned by the Siberian Coal Energy Company (SUEK), near the Siberian town of Sharypovo in Krasnoyarsk region, Russia, May 23, 2017. Picture taken May 23, 2017. REUTERS/Ilya Naymushin