The Mercator projection, a cylindrical map introduced by Geradus Mercator in 1569, distorts the true size of countries on maps, making them appear different to reality.

The world is full of incredible places ... T see rare phenomenon If you can't see the map below, click here. There are now 24 countries on this list, which is about 20 per cent of all the land ...

A company spokesperson told CNBC that the ‘sensitive’ classification was a technical configuration indicating some labels within a certain country are different from other countries.