BBC1 年
Siberia's enormous hole in the ground is getting bigger
A large crater in Siberia is getting bigger due to the way permafrost interacts with the environment. It is helping scientists understand more about past climates and how the permafrost is ...
来自MSN1 个月
The Big Hole in Deua National Park at the centre of one the country's 'most sensational ...
National Parks and Wildlife Services (NPWS) ranger Duncan Allen describes it as "just a big hole in the ground", but says there are many legendary stories involving the Big Hole. "I'd love to go down.