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176,500-year-old Neanderthal cave rings discovered

176,500-year-old Neanderthal cave rings discovered

Researchers have found mysterious man-made structures from 176,500 years ago in this cave http://cnn.it/1U9w797

FacebookCNN已浏览 34.1万次2016年5月26日

Cave Exploration

Son Doong Cave exploration story | The largest cave in the world

Son Doong Cave exploration story | The largest cave in the world

sondoongcave.info

2022年3月20日

Cave exploration: How to Actually Find a Cave? | startcaving.com

Cave exploration: How to Actually Find a Cave? | startcaving.com

startcaving.com

2020年1月13日

Construction Safety: Trenching and Excavation Safety

Construction Safety: Trenching and Excavation Safety

已浏览 15.1万次2020年9月28日

热门视频

Scientists discover the world's longest underwater cave system in Mexico

Scientists discover the world's longest underwater cave system in Mexico

已浏览 41.2万次2018年1月18日

Nature Cat:Cave Exploring!

Nature Cat:Cave Exploring!

2016年7月22日

The biggest cave on Earth is higher than a 40-story building

The biggest cave on Earth is higher than a 40-story building

FacebookBrut nature

已浏览 1280.5万次2018年4月10日

Cave Formation

Underground cave with distinct rocky formations of stalactites and stalagmites. A colourful natural scenery in a cave with ancient cavities formed of carbonate limestone rocks in Mallorca, Spain.

Underground cave with distinct rocky formations of stalactites and stalagmites. A colourful natural scenery in a cave with ancient cavities formed of carbonate limestone rocks in Mallorca, Spain.

shutterstocktravel8k

2023年9月19日

How Water Forms Caves Through Erosion and Dissolution

How Water Forms Caves Through Erosion and Dissolution

TikTokcavegoose

已浏览 34.4万次2021年9月27日

Exploring the depths of the world's largest cave

Exploring the depths of the world's largest cave

FacebookAccuWeather

已浏览 5738 次2021年5月3日