故宫,又名紫禁城,建成于明永乐十八年(1420年),先后有明、清24位皇帝在此统治全国。占地面积70多万平方米,有9000多间宫室,是举世闻名的古宫殿建筑群,里面珍藏着大量历史文物和珍宝。去过故宫的人都会发现在许多宫殿前都有金属大缸。这些大缸古时称之为“门海”,指门前大海的意思。人们相信,门前有大海就不怕闹火灾。因此,称 Forbidden City, also known as the Forbidden City, was built in Ming Yongle eighteen years (1420), there have been Ming and Qing dynasties emperors ruled the country. Covers an area of ​​more than 700,000 square meters, more than 9,000 rooms, is the world-famous ancient palace complex, which contains a large collection of historical relics and treasures. People who have been to the Forbidden City will find metal vats in front of many palaces. These dunks are called “sea of ​​doors” in ancient times, referring to the meaning of the sea in front of them. People believe there is no fear of fire in front of the sea. Therefore, said