1.   Plans are also afoot to transform the disused salt mines of Saxony and Thuringia into depositories for toxic waste.

2.   Coober Pedy is famous because many of its inhabitants live underground in houses built in disused mines.

3.   A Correctional Services spokesman later told SAPA the idea of using disused mines also included making use of existing infrastructures such as old mine buildings.

4.   South Africans overwhelmingly support the idea of transforming disused mines into underground prisons, according to a television poll.

5.   The local people are reopening disused mines, turning them into small lakes which breed disease and mosquitoes.