Cavemen discover 'underground world'

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A new 100 metre long cave has been found in the West Highlands while enthusiasts re-visited a series of entrances deemed inaccessible in the 1970s.

The hard volcanic nature of the rock, which makes up most of Scotland's terrain, means there are relatively few caves.

Most are around Assynt, in the north west, and Appin near Fort William.

The find is not the largest cave in Scotland, but it is one of the largest found in a single exploration underground.

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