When was the tomb of Zhou Ding excavated?

it was excavated in the 197s. The tourist area of Zhouding Mausoleum is composed of the tomb of Zhouding Mausoleum in Ming Dynasty, the tomb buried with the princess and the surrounding natural landscape. Its western part is a mountain of mountains and mountains, that is, it has the head of the east of Tsz Mountain, also known as Mingshan Mountain, and its eastern part is the vast Huanghuai Plain. It has beautiful scenery, many scenic spots and rich cultural connotations. Among them, the tomb of King Zhou Ding and the tomb buried with Princess Wang are the key cultural relics protection units in Henan Province and the main attractions of the tourist area. Zhouding Mausoleum, commonly known as "Zhu Wangfen", is located at the east foot of Laoshan Ping in Wuliang Town. Zhouding Mausoleum is the tomb of Zhu Ellipse, the fifth son of Zhu Yuanzhang, the fifth ancestor of Ming Dynasty, and the younger brother of Zhu Di, the founder of Ming Dynasty. Zhu Ellipse lived in Kaifeng in the fourteenth year of Hongwu, and his palace was located in the Forbidden City in the Northern Song Dynasty. Because his country was sealed for Zhou and posthumous title was fixed, he was called the Fixed King. When he was alive, Henan suffered from disasters year after year. He selected the leaves, stems and roots of the edible weeds in Henan and made a book with pictures and texts. Herbal medicine for famine relief > It has been handed down to this day and is a contribution to ancient science.