When you change your own oil, you know that you are putting quality oil in your LS460 and that the filter is being changed too. Most importantly, you get a chance to look around under your LS460 for potential trouble spots.
Home / Great Wall / History / Qin Dynasty. The Great Wall of the Qin Dynasty (221BC-207 BC) was built during the reign of Emperor Qin Shi Huang, along the country's northern border to prevent the invasion of Huns. In 221BC, Emperor Qin Shi Huang unified China for the first time after annexing six states.
Emperor Qin Shihuang ordered that the northern sections of wall on state borders, especially the walls in the northern part of China built by the states of Qin, Zhao and Yan, be joined together to form a unified line of defense against Mongol harassment from the north, the first true Great Wall.