Sea in culture of barbarian invaders and knowledge of geography took a backward step. In the seventh century, Isidore of Seville produced a "wheel map" in which Asia, Africa and Europe were arranged like segments in an orange, separated by the "Mare Mediterranean", "Nilus" and "Tanais" and surrounded by "Oceanus". It was not until the fifteenth century that Ptolemy's maps were used again and Henry the Navigator of Portugal initiated ocean exploration and maritime research. Encouraged by him, Portuguese navigators explored, mapped and charted the west coast of Africa and the Eastern Atlantic and this knowledge prepared the way for the great voyages
Prostitution in South Africa provinces. Thai and Chinese nationals control the sex trafficking of Asian women. Russian and Bulgarian organised crime control trafficking in Cape Town. Women from Thailand, China, Brazil, Eastern Europe, Asia, and neighbouring African countries are trafficked into South Africa and forced to work as prostitutes. Women from South Africa are trafficked to Europe. South Africa is listed as a Tier 2 Watch List country by the US Department of State's Office to Monitor and Combat Trafficking in Persons. Prostitution in South Africa Prostitution in South Africa is illegal for both buying and selling sex, as well as related activities such