Two coal miners talk to each other in a chamber of the Metropolitan coal mine at Helensburgh

Two coal miners talk to each other in a chamber of the Metropolitan coal mine at Helensburgh

Two coal miners talk to each other in a chamber of the Metropolitan coal mine at Helensburgh, 40km (25 miles) south west of Sydney. Photo: Reuters / Tim Wimborne

March 1, 2017 3:47 PM (UTC+8)