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Hillside melts like lava before completely engulfing car and farmhouse as it snakes towards terrified walkers

Mirror logo Mirror 5 days ago Kara O'Neill
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Watch: Melting permafrost flows like lava through Tibetan Plateau (Provided by:Newsflare)

Terrified walkers were astonished when they suddenly noticed the hillside starting to melt like lava - engulfing a house and a car.

Credits: Newsflare © Provided by Trinity Mirror Plc Credits: Newsflare The huge piece of land began snaking its way towards the bottom of the valley, churning up grass and soil.

In fact, the 'grassy lava' was actually an example of melting permafrost on the Tibetan Plateau, a huge mountainous area in south-west China.

Credits: Newsflare © Provided by Trinity Mirror Plc Credits: Newsflare It had started as a result of waterlogged soil sitting on top of the permafrost, causing it to slide on a downwards slope due to gravity.

In the video, the mud appears to completely engulf a car, and a small farmhouse or outbuilding situated in the field.

Credits: Newsflare © Provided by Trinity Mirror Plc Credits: Newsflare According to News China, several families and a farm were affected by the incident.

The entire farm was forced to relocate.

Credits: Newsflare © Provided by Trinity Mirror Plc Credits: Newsflare Permafrost is ground, including rock and soil that has been below the freezing point of water (0'C) for two or more years.

It may not always be obvious as ground ice is not always present, meaning the permafrost sometimes has the appearance of normal land.

Credits: Newsflare © Provided by Trinity Mirror Plc Credits: Newsflare Grasslands on the Tibetan Plateau are often used for farming.

Cows can be seen in the background of the footage, with the herd having made their way to relative safety.

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