Tai Shan has been climbed by many people important in Chinese history. The emperors of great dynasties had to climb the mount to show that they have been the sole ruler of the country. The earliest activities could go back to Xia dynasty and Shang dynasty, so it preserved a good many of cultural relics and historic sites. Famous literators, poets and celebrities were attracted here and thousands of poems and articles about Mount Tai are best-known nowadays. Mount Tai is considered to be a cultural and historical museum. It is a famous place both of Taoism and Buddhism. There are four marvelous spectacles in Mount Tai -- sunrise watching on the peak, shine of sunset, Yellow River watching in sunshine and sea of cloud.