He accepted that dating results had put the road in the Iron Age period but said he just did not believe structured roads would have happened in that period.

BBC: Iron Age road found in Shropshire by archaeologists

"It could well indicate that Iron Age Britons were sophisticated road engineers in their own right and had developed the technological expertise to build sophisticated all-weather roadways for wheeled traffic, " Mr Malim said.

BBC: Iron Age road found in Shropshire by archaeologists

The leader of the Dorset County Council, Angus Campbell, said the construction of the road had already revealed prehistoric and Iron Age finds.

CNN: Beheaded Vikings found at Olympic site

The Department of Environmental Conservation will issue an interim access plan within a few weeks that is expected to enable paddlers to walk 0.8 of a mile from the iron bridge just below the Goodnow River confluence along an old logging road to parking, agency officials said.

WSJ: OUT THERE: Upper Hudson opening to canoeists

Sabriel looked up from it and back along eth bricked drive that left the road and curved up to an imposing pair of wrought-iron gates.

NPR: Excerpt: 'Sabriel'

On the road back to Rio, we stop underneath a spectacular old iron railway bridge - "the first curved iron bridge in the world, " Mauricio informs me, with some pride.

BBC: Rio +20: Joining the ecological dots