… Rwanda to research the status of ecological restoration of abandoned artisanal gold mining sites in Nyungwe’s National Park, followed up by a conservation study tour. Then he … Rwanda to research the status of ecological restoration of abandoned artisanal gold mining sites in Nyungwe’s National Park, followed up by a conservation study tour. Then he … Rwanda to research the status of ecological restoration of abandoned artisanal gold mining sites in Nyungwe’s National Park, followed up by a conservation study tour. Then he …