The Great Wall of China was built along China's northern borders to protect against nomadic groups and military incursions. It also served purposes like imposing duties on goods along the Silk Road, regulating trade, and controlling immigration. The Great Pyramid of Giza in Egypt is the oldest and largest of the three pyramids at the Giza Necropolis. It is also the oldest of the Seven Wonders of the Ancient World. The Great Sphinx of Giza is a large limestone statue located on the Giza Plateau in Egypt, and is the world's largest monolith statue. Confucius was a Chinese teacher and philosopher from the Spring and Autumn Period who emphasized morality, social relationships, justice, and