Explanation: It was said that "gold, silver, copper, iron and tin" and "gold, silver, copper and iron" lacked "tin", and the answer was the city, so the answer was Wuxi.
Wuxi is an ancient city with a history of more than 3,500 years. Gold, silver, copper and iron are never lacking, except tin.
Extended information Wuxi, a prefecture-level city in Jiangsu Province, is referred to as "tin" for short. Known as Orfila, Liangxi and Jingui in ancient times, it is known as the "Pearl of Taihu Lake". Wuxi is located in the south of Jiangsu Province, in the Yangtze River Delta Plain. There is the Yangtze River in the north and Taihu Lake in the south, and the Beijing-Hangzhou Grand Canal passes through Wuxi. The territory is dominated by plains, with scattered low mountains and residual hills; It belongs to the north subtropical humid monsoon climate zone, with four distinct seasons and sufficient heat.
Wuxi governs 5 districts and 2 county-level cities with a total area of 4,627.47 square kilometers. In 20 17, the total population was 4,930,500.
References:
Baidu encyclopedia-Wuxi