If you reheat the food, the bacteria will die but the toxins will still be there and they will still make you sick. With this type of food poisoning, you usually vomit anytime from immediately after eating to 7 hours later. Some people also get diarrhea. Bacillus cereus can also cause diarrhea that strikes 6-15 hours after eating. There is also a type of non-contagious food poisoning caused by the bacteria Clostridium perfringens3 .
Later, Emperor Wu of Han constructed the Great Wall in a large scale. He had Yanmenguan Pass restored in 130BC, and the Qin Dynasty Wall renovated in 127BC. In order to protect the Hexi Corridor, he ordered the defensive line between Yongdeng County and Jiuquan in Gansu Province be built in 121BC.
The Great Wall of China is a Chinese fortification built from 3rd century BC until the beginning of the 17th century, in order to protect the various dynasties from raids by Mongol, Turkic, and other nomadic tribes coming from areas in modern-day Mongolia and Manchuria.alls were being built in order to protect the Chinese empire as early as the 7th century BC. However, the collection of walls which have become known as The Great Wall of China were mainly built from 220 to 206 BC.