Southern Hemisphere "Periplus of the Erythraean Sea", mentioned the island of "Menuthias" (Ancient Greek: Μενουθιάς) as a trading port on the east African coast, which is probably the small island of Unguja on which Zanzibar is located. The oldest proven archaeological site in the Southern Hemisphere is Sechin Bajo, located on the coast of northern Peru, and dates back to 3600 BCE. Sechin Bajo may also be the oldest site for monumental architecture in the Americas. Southern Hemisphere The Southern Hemisphere is the half of Earth that is south of the Equator. It contains all or parts of five continents (Antarctica, Australia,
Olympic Games city hosting the next Olympic Games. The next host nation then also briefly introduces itself with artistic displays of dance and theatre representative of its culture. As is customary, the last medal presentation of the Games is held as part of the closing ceremony. Typically, the men's marathon medals are presented at the Summer Olympics, while the cross-country skiing mass start medals are awarded at the Winter Olympics. A medal ceremony is held after each Olympic event is concluded. The winner, second and third-place competitors or teams stand on top of a three-tiered rostrum to be awarded their respective medals.