A climber who found a trove of precious stones on Mont Blanc has been given half of the 150,000-euro ($168,700) haul to keep after authorities couldn’t find the original owner.

Between 2001, when precise GNSS satellite measurements started, and 2013 the Mont Blanc ranged between 4,808 and 4,810 metres. A record of 4,810.90 metres in was recorded in 2007, ...

Mont Blanc is western Europe's highest mountain at 4,800 metres and attracts 20,000 hikers and skiers every year. But due to climate change, conditions for hiking have become more difficult over time.