If human beings want to survive on the other planets for a long time, they must first find or set up a safe, stable, and long-term shelter. Lunar lava tubes are geological structures of the moon ...

If human beings want to survive on the other planets for a long time, they must first find or set up a safe, stable, and long-term shelter. Lunar lava tubes are geological structures of the moon ...

If you liked this story, share it with other people. Brazil is internationally known for its astonishing biodiversity. Nevertheless, there is another natural heritage for which Brazil should also be ...

In northern Spain’s Cantabrian Mountains, winter snow often blankets the landscape. Yet inside nearby karst caves, temperatures remain surprisingly mild and ste ...

New information: IUCN, based on information provided in “Karst Conduit”, the newsletter of the International Geographical Union Commission on Man and Karst, has reported to the Centre that while the ...

A crustal movement millions of years ago creates a huge Karst cave consisting of the largest variety of stalactites. [Photo provided to chinadaily.com.cn] A crustal movement millions of years ago ...

The underground karst cave scenic area in Tai'an, Shandong province is located in Qiujiadian town, Tai'an city and is 18 degrees Celsius year-round. The 3,000-meter-long river for drifting is now the ...