James' World 2

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The Sinai Peninsula, or simply Sinai, is a peninsula in Egypt, and the only part of the country located in Asia. It is between the Mediterranean Sea to the north and the Red Sea to the south and is a land bridge between Asia and Africa. Sinai has a land area of about 60,000 km² (23,000 sq mi) (6 percent of Egypt’s total area) and a population of approximately 600,000 people. Administratively, the vast majority of the area of the Sinai Peninsula is divided into two governorates: the South Sinai Governorate and the North Sinai Governorate. Three other governorates span the Suez Canal, crossing into African Egypt: Suez Governorate on the southern end of the Suez Canal, Ismailia Governorate in the center, and Port Said Governorate in the north.

In the classical era, the region was known as Arabia Petraea. The peninsula acquired the name Sinai in modern times due to the assumption that a mountain near Saint Catherine’s Monastery is the Biblical Mount Sinai. Mount Sinai is one of the most religiously significant places in the Abrahamic faiths. Wikipedia

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An image from the Sinai Desert

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Riyadh is the capital of Saudi Arabia and the largest city on the Arabian Peninsula. Located in the center of the an-Nafud desert, on the eastern part of the Najd plateau, the city sits at an average of 600 meters (2,000 ft) above sea level, and receives around 5 million tourists each year, making it the forty-ninth most visited city in the world and the 6th in the Middle East. Riyadh had a population of 7.6 million people in 2019, making it the most-populous city in Saudi Arabia, 3rd most populous in the Middle East, and 38th most populous in Asia.

The first mentioning of the city by the name Riyadh was in 1590, by an early Arab chronicler. In 1737, Deham Ibn Dawwas, who was from the neighboring Manfuha, settled in and took control of the city. Deham built a wall around the city, and the best-known source of the name Riyadh is from this period, thought to be referring to the earlier oasis towns that predated the wall built by Ibn Dawwas. In 1744, Muhammad ibn ‘Abd al-Wahhab formed an alliance with the Emir of Dir’iyah, Muhammad bin Saud, and in 1774, they took Riyadh from Deham. However their state, now known as the First Saudi State, came to a collapse in 1818. Turki ibn Abdullah founded the Second Saudi State in the early 19th century and made Riyadh his capital in 1825. However, his reign over the city was disrupted by a joint Ottoman–Rashidi alliance. Finally, in the early 20th century, ‘Abdulaziz ibn Saud, known in the west simply as Ibn Saud, retrieved his ancestral kingdom of Najd in 1902 and consolidated his rule by 1926 with the final Saudi conquest of Hejaz. After this he named his kingdom Saudi Arabia in September 1932 with Riyadh as the capital. Wikipedia

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An image from Riyadh, Saudi, Arabia

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The wildlife of Antarctica is extremophiles, having to adapt to the dryness, low temperatures, and high exposure common in Antarctica. The extreme weather of the interior contrasts with the relatively mild conditions on the Antarctic Peninsula and the subantarctic islands, which have warmer temperatures and more liquid water. Much of the ocean around the mainland is covered by sea ice. The oceans themselves are a more stable environment for life, both in the water column and on the seabed.

There is relatively little diversity in Antarctica compared to much of the rest of the world. Terrestrial life is concentrated in areas near the coast. Flying birds nest on the milder shores of the Peninsula and the subantarctic islands. Eight species of penguins inhabit Antarctica and its offshore islands. They share these areas with seven pinniped species. The Southern Ocean around Antarctica is home to 10 cetaceans, many of them migratory. There are very few terrestrial invertebrates on the mainland, although the species that do live there have high population densities. High densities of invertebrates also live in the ocean, with Antarctic krill forming dense and widespread swarms during the summer. Benthic animal communities also exist around the continent.

Over 1000 fungi species have been found on and around Antarctica. Larger species are restricted to the subantarctic islands, and the majority of species discovered have been terrestrial. Plants are similarly restricted mostly to the subantarctic islands and the western edge of the Peninsula. Some mosses and lichens however can be found even in the dry interior. Many algae are found around Antarctica, especially phytoplankton, which form the basis of many of Antarctica’s food webs.

Human activity has caused introduced species to gain a foothold in the area, threatening the native wildlife. A history of overfishing and hunting has left many species with greatly reduced numbers. Pollution, habitat destruction, and climate change pose great risks to the environment. The Antarctic Treaty System is a global treaty designed to preserve Antarctica as a place of research, and measures from this system are used to regulate human activity in Antarctica.

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An image from Antarctica

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