An 80 million-year-old secret

Before 2000, few people in China – or the rest of the world – had heard of the Rainbow Mountains. Now they are catching the eye of photographers and filmmakers.

BBC's Travel Show brings you the latest insider travel news, a wealth of destinations, amazing experiences and features and practical hints, tips and advice for your holidays.

If you liked this story, sign up for the weekly features newsletter, called “If You Only Read 6 Things This Week”. A handpicked selection of stories from BBC Future, Earth, Culture, Capital, Travel and Autos, delivered to your inbox every Friday.