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
Earth Platinum of each continent (showing political and physical features), maps of the oceans, (including shipwreck locations) and poles, as well as very detailed regional maps. The book also includes a double-page 6 feet x 9 feet layout of the world's flags. The atlas was printed in Italy and hand-bound in Hong Kong. Among its many spectacular images, "Earth Platinum" contains the world's largest image in a book, a photo of the Shanghai skyline. This image size is 272 gigapixels and made up of more than 12 thousand images tiled together. Published 20 February 2012, "Earth Platinum" follows publication of the "smaller"