What is the date, address and understanding of the construction of the tomb of Nanyue King in the Western Han Dynasty?

The tomb of Nanyue King in the Western Han Dynasty is located on Xianggang Mountain, Jiefang North Road, Guangzhou. It is the tomb of Zhao Qian, the second generation king of Nanyue in the early Western Han Dynasty. Zhao Heng, the grandson of Zhao Tuo, was called Wendi, who reigned from 137 BC to 122 BC. The tomb was discovered in June 1983. After the excavation, the Museum of Nanyue King's Tomb in the Western Han Dynasty was established in situ, which is a national key cultural relic protection unit. 1983 excavation, unearthed cultural relics include Wendi Golden Seal and Zhao Heng Imperial Seal, which proved the identity of the owner of the mausoleum.