The top 10 threats to the most biodiverse place on planet Earth

Manu national park in Peru threatened by roads, oil/gas operations, narco trade, goldmining, logging and 'human safaris'

Just under half of Unesco's World Heritage sites are under threat, the WWF asserts. Sites deemed threatened include the Great Barrier Reef in Australia, the Pantanal in Brazil and the Virunga national park in the Democratic Republic of Congo - and 111 others.

But what about the Manu national park in Peru's Amazon, which Unesco calls the most biodiverse place on Earth and was declared part of a biosphere reserve in the 1970s?