Huge fields of gas shale are believed to lie under the Appalachian Mountains, Michigan and the south-central states.

VOA: special.2009.10.23

Travelling by train in the central mountains, there's a sudden jolt and a terrible grating sound.

BBC: Peru's famous yarn

The core area is made up of the preserved district of the Aya Forestry Ecosystem Protected Area and is included in the Kyushu Central Mountains Quasi National Park.

UNESCO: EDUCATION

This valley is located in the Pamir Mountains in Central Asia.

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