美媒：美研究所分析卫星图片称，伊朗可能已在美国发动袭击前填埋核设施隧道

Core Points - The U.S. military successfully targeted three Iranian nuclear facilities located in Fordow, Natanz, and Isfahan, as confirmed by President Trump [1] - Analysis from the Science and International Security Institute indicates that Iran may have buried its nuclear facility tunnels in Isfahan prior to the U.S. attack [1] - Satellite images reveal that trucks were seen dumping soil into the tunnels of the nuclear facility on the 20th, suggesting preparations for potential strikes [1] - The U.S. attack likely aimed at the tunnel entrances, with at least three out of four entrances already collapsed, while the status of the fourth remains unclear [1]