Great Wall of China: several walls, referred to as the Great Wall of China, were built since the 5th century BC, the most famous being the one built between 220 BC and 200 BC by the first Emperor of China (Chinese: 皇帝; Pinyin: Huángdì), Qin Shi Huang (Chinese: 秦始皇; Pinyin: Qín Shǐ Huáng)