Introduction to ancient tea trees: Among the thousands of acres of wild tea tree communities in Qianjiazhai, there is a pearl tree, the largest wild tea tree with a height of 25.6 meters and a diameter at breast height of 0.89 meters. According to expert research, this tree is 2,700 years old and is the largest and oldest wild tea tree in the world discovered so far. It is known as the "Wild Tea King Tree". It was awarded the "Top of the World Guinness - the world's largest wild ancient tea tree" by the Shanghai Guinness Headquarters. It has important scientific research value for studying the origin of tea and other aspects.