"The rats are relatively fast and accurate compared to other techniques, " said Christophe Cox, head of a mine-clearing group called Apopo in Morogoro, Tanzania.
Across the street from Marikana, at a mine owned by Anglo American Platinum mine, a group of workers gave management until Friday to respond to a list of demands.
At the Darata gold mine, a group of men gather around several deep dark pits, waiting for their colleagues who are several dozen feet under the ground hacking away at the rock.