They were the ones to bring the food to Sicily when they invaded the region back in the 8th century.When the early European explorers reach China they also learned about the nutritious value of noodles and decided to bring the recipe to European cooks.The latter were placed on different high points along the wall so they could be clearly seen.The Great Wall is the world's largest construction and the only man-made structure that can be seen from space.A Chinese legend says that the first silk thread was created when a cocoon accidentally fell into the hot tea of Si-Ling-Chi, a Chinese Empress and the wife of Emperor Huang-ti. she managed to come up with the way of using silk in weaving.She found that the threads of the cocoon were uncoiling and decided later to experiment with silkworms. Silk turned out to be very important to the economy of China and people kept its secret for thousands of years and the Great Wall of China helped them to do so.
The compass came to India, the Middle East and Europe as a result of the formation of the Mongol Empire by Genghis Khan.
By that time the Chinese already possessed the techniques of wall-building.
However, the first materials used were rammed earth, stones, and wood.
It is worth mentioning that the discovered 4000-year-old noodles were made using the fast-growing cereal plant foxtail millet (the most important planted species in East Asia) and proso millet.
Historians say that the Arabs used pasta or noodle-like food for long trips in the fifth century.