Continent with other islands in the Pacific into one continent called Oceania. This divides the entire land surface of Earth into continents or quasi-continents. The ideal criterion that each continent is a discrete landmass is commonly relaxed due to historical conventions. Of the seven most globally recognized continents, only Antarctica and Australia are completely separated from other continents by the ocean. Several continents are defined not as absolutely distinct bodies but as ""more or less" discrete masses of land". Asia and Africa are joined by the Isthmus of Suez, and North and South America by the Isthmus of Panama. In both
A Map of Middle-earth A Map of Middle-earth A Map of Middle-earth is the name of two colour posters by different artists, published in the late 1960s and early 1970s by the American and British publishers of J. R. R. Tolkien's book "The Lord of the Rings". Both posters were based on cartography by J. R. R. Tolkien and Christopher Tolkien to depict the fictional region of Middle-earth. None of these maps cover the whole continent of Middle-earth; instead they only portray the north-western part of the continent, where the story of "The Lord of the Rings" takes place. The earlier poster, signed "BRem"