With transportation cut off, remote areas could rely on supplies dropped from cargo planes and helicopters from other nations. But densely populated urban areas needed relief from sea, land, and air.
交通中斷的偏遠地區，由各國運輸機、直升機飛往空投救援物資，但人口密集的城市，則還需要海空陸三棲聯合救災。