Now playing Next Turkey Rescuers ready to remove sick man from 3,000 feet down a Turkish cave More than 170 people from around the world face a huge task as the rescue operation to retrieve the American researcher is likely to take days. 08/09/2023
Now playing Next Turkey US researcher trapped in Turkish cave praises worldwide rescue efforts American researcher Mark Dickey became trapped in a cave in southern Turkey after suffering gastrointestinal bleeding at a depth of 1,000 metres. International rescue teams are still trying to save him. 08/09/2023
Now playing Next Turkey Researcher trapped more than 3,000 feet inside a cave in Turkey Experts are working to reach a man who became ill 1,000 metres underground in a huge rescue effort which could take up to two or three weeks. 07/09/2023
Now playing Next Culture news Watch: Archaeologists find 57,000-year-old markings in French cave In a groundbreaking discovery, the Loire Valley in France has revealed the oldest cave engravings known in the region, and possibly in all of Europe. 27/06/2023
Now playing Next Health 3,000-year-old human hair provides first proof of drug use in Europe The unusual finding of human hair in a cave in Menorca has provided the first direct evidence of the use of plant drugs by people in Europe. 21/04/2023
Now playing Next Spain 500 days of darkness: Spanish 'cavewoman' shocked by Ukraine war news Beatriz Flamini emerged from the 70-metre-deep cave in southern Spain last Friday to learn about the Ukraine war for the first time. 19/04/2023
Now playing Next Travel News Rescued: Five Grand Canyon tourists spend night 60 metres underground The five visitors became trapped in a Grand Canyon cave when the access elevator malfunctioned, local authorities have said. 25/10/2022
Now playing Next Destinations Visit Vietnam’s cave kingdom for a deep dive you’ll never forget Adventurers from around the world are travelling to this remote Vietnamese rainforest to conquer its unexplored network of caves. 09/05/2022
Now playing Next Art 3D imaging reveals biggest ever example of North American cave art The new technology allows historians to view artworks previously invisible to the human eye etched into thin layers of mud. 04/05/2022
Now playing Next Austria Three Polish researchers trapped by melting water in Austrian cave Rescue services were working to reach the stranded trio on Friday. 18/02/2022
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Now playing Next Serbia 8 of Serbia’s most beautiful hikes for the best views and nature Whether you're looking to have your fitness tested on the Svrljig mountain range or simply see some natural phenomena on a more leisurely path, this is our pick of the top routes in Serbia. 31/05/2021
Now playing Next France French research subjects emerge after 40 days, 40 nights underground The eight men and seven women had no clocks, no sunlight, and no contact with the world above. 24/04/2021
Now playing Next Destinations Mythical grottos: The most famous caves in Greece Your go-to guide to some stunning Greek caves and the lakes that lie within them. 18/12/2020
Now playing Next Destinations Giant crystal cave to accept first ever visitors Crystal shards inside the geode can measure up to a metre long. 12/06/2019
Now playing Next Mexico 'Incredible' treasure trove discovered under Chichen Itza in Mexico Archaeologists rediscovered a cave underneath Mexico’s most famous Mayan ruins, contending with a venomous snake and narrow crawlspaces to gain access. 05/03/2019
Now playing Next China Watch: UK-China expedition discovers world-class cave hall A China-UK joint expedition team has discovered a world-class giant cave hall in the Nongle sinkhole in Fengshan County of south China's Guangxi Zhuang Autonomous Region 20/10/2018
Now playing Next Thailand Cave rescue boys and their coach granted Thai citizenship | The Cube Three boys and their football coach who were rescued from a cave in northern Thailand last month have been granted Thai citizenship. 10/08/2018
Now playing Next world news Fast news: The week in a minute Take a quick look at the biggest stories from around the world this week. 21/07/2018
Now playing Next Thailand 'It was a miracle, I was shocked': Thai cave boys recount ordeal The 12 boys and their soccer coach rescued from a flooded cave in Thailand left a hospital on Wednesday to make their first public appearance at a nationally-broadcast news conference in the northern province of Chiang Rai. 18/07/2018