【期货热点追踪】铁矿石二连跌的背后，是季节性因素还是供需格局改变？力拓3100万吨的矿山项目已被批准，应如何看待矿价未来？

Group 1 - The recent decline in iron ore prices is attributed to both seasonal factors and changes in supply-demand dynamics [1] - Rio Tinto's approval of a 31 million ton mining project raises questions about future iron ore prices [1]