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Journey Through the Largest Cave in the World

Sơn Đoòng Cave—the largest in the world—wasn’t discovered until 2009. Now, National Geographic grantee and photojournalist Martin Edström, takes us deep inside Sơn Đoòng, as he tries to capture its overwhelming size and beauty in 360 degrees.

Cat Out of the Bag: Trophy Hunting Fuels African Lion Bone Trade in Asia

In the first full research report of its kind, the trophy hunting industry in South Africa has been exposed as the main source of Asia’s rapidly expanding lion bone trade. The implications are that thousands of lions are being raised in South Africa to shot in cages, stoking a market for lion bone medicine that ultimately threatens the last 2,300 wild lions in the country.