The Sahara desert is located in Northern Africa and covers approximately 25 percent of the African continent. Its borders include the Mediterranean Sea to the north, the Atlantic Ocean to the west and the Red Sea to the east.

Desert environment is characterized by very low mean annual rainfall, the practical absence of vegetation, very high daily and annual range of temperature, dust storms, high-velocity winds, the dominance of sands, highly variable annual rainfall. 

The Sahara is a desert located on the African continent. It is the largest hot desert in the world.

Depending on the temperatures, there are two types of deserts- hot deserts or cold deserts. Sahara desert is a hot desert. It is the largest hot desert of world. The climate of the Sahara desert is scorching hot and parch dry. It has a short rainy season. The moisture evaporates very fast. The temperatures during the day may be as high as 50 degrees Celsius. The nights may be freezing cold with temperature around zero degrees.

Kimberley is famous for diamonds. This is the largest diamond mine in the world. Kimberley Diamond Mines is also known as the “Big Hole”. The finest quality of diamond can be found here.

Only the northernmost and the southernmost fringes of the continent have a Mediterranean climate because they aren't located under the tropics. Because of this geographical situation, Africa is a hot continent as the solar radiation intensity is always high as it's most part is located under the equatorial type of climate.

The term 'extra-long-staple' (ELS) cotton typically denotes a cotton fibre of extraordinary fibre length. It is grown in Egypt.

The name Egyptian cotton is also broadly recognized as being associated with quality products. However, only a smaller percentage of Egyptian cotton produced each year is actually ELS cotton. The majority of Egyptian production is a long-staple cotton variety called Giza 86.