In this Thursday, June 30, 2016 photo, an old train track is partially covered by mud and vegetation at the Penallta colliery in Hengoed, South Wales. (AP Photo/Emilio Morenatti)
In this Thursday, June 30, 2016 photo, an old train track is partially covered by mud and vegetation at the Penallta colliery in Hengoed, South Wales. (AP Photo/Emilio Morenatti)
AP Images Blog 