[bbc.com/travel/story/20201014-providencia-an-island-with-a-sea-of-seven-colours](http://bbc.com/travel/story/20201014-providencia-an-island-with-a-sea-of-seven-colours) >"Remote, unspoilt and little-visited, the vividly coloured patchwork surrounding the tiny Colombian island is produced by the third-longest barrier reef _...Read More_