Aerial, tilt down, drone shot, towards a old closed Hammaslahti copper mine, surrounded by snowy and leafless forest, on a spring day, in Joensuu, North Karelia, Finland

karelia karjala finland northern suomi north pohjois finnish aerial landscape wilderness snow ore drone nature opencast mining spring mountain sky mineral large resource copper outdoors mine industry surface open pit abandoned building industrial borrow old geology red gold excavation work minerals rehabilitation strip materials metal stone iron rock technology