Panzhihua (), formerly Dukou (), is a prefecture-level city located in the far south of Sichuan province, People's Republic of China, at the confluence of the Jinsha and Yalong Rivers. It has an administrative area of , and a population at the 2020 census of 1,212,203. 806,395 lived in the built-up (or metro) area made of 3 urban districts. Its economy relies almost entirely on its giant mine, one of the country's largest. The economy in Panzhihua is mainly centered on natural resource development, heavy-industry. Around the 1970s, immigrants from various parts of China flow into the city. The urban center was built on top of mountainous terrains. In 2005, Panzhihua won the "China Excellent Tourist City" title, in 2008 it won the "National Health City" and the "China Vanadium, Titanium" titles. Geography and climate The area has a monsoon-influenced humid subtropical climate (Köppen Cwa), with short, mild, dry winters and long, hot, and humid summers. Highs drop to in December and January, quickly rebounding during the dry springs, and peak in May and June, unlike much of the rest of the province. Much of the annual rainfall occurs from June to September. Hydrology Panzhihua lies in the Yangtze River basin, holding more than 95 waterways. They feed the Jinsha and Yandalong Rivers, which in turn feed the Yangtze. Annual runoff volume is 110.2 billion cubic meters. The potential hydropower capacity is 700 million kilowatts. The installed capacity is 3.474 million kilowatts. Geology Panzhihua is close to the Xigeda-Yuanmou fracture in the Sichuan-Yunnan border. Its Renhe District was the epicenter of the 2008 Panzhihua earthquake. Archaeology Bronze Age cultural remains are representative of various types of bronze artifacts. Under the jurisdiction of Panzhihua City in Yanbian, Miyi and Renhe District, archeologists have collected nearly 20 bronze artifacts. Most of the dig sites were tomb sites excavated specifically for funerary objects. Practical objects were found that can be divided into three categories. Weapons such as bronze swords, bronze spears, and bronze Ge, tools such as copper axes, copper knives and copper hoes, and decorative objects like copper bracelets were found. The objects were similar to those of western Yunnan province, reflecting ethnic group similarities. The relics date from the Warring States ~ Western Han period. Tourism resources The landscape is dominated by natural areas. Attractions include a red cell spa, the Cave Stone Forest, the Jinsha River and Hai lake. Cycas